AN IMPROVED SYSTEM OR COMBINATION OF ELECTRICAL APPARATUS AND CONDUCTORS TO BE USED IN THE APPLICATION OF ELECTRICITY TO PRACTICAL USE AND ESPECIALLY TO DOMESTIC OR HOUSE- HOLD LIGHTING
Year: 1883

page_text: ETTERS PATENT to Frederick John Cheesbrough of the Office for Patents
15 Water Street Liverpool in the County of Lancaster Consulting Engineer
for an Invention of AN IMPROVED SYSTEM OR COMBINATION OF ELECTRICAL
APPARATUS AND CONDUCTORS TO BE USED IN THE APPLICATION OF
ELECTRICITY TO PRACTICAL USE AND ESPECIALLY TO DOMESTIC OR HOUSE-
HOLD LIGHTING Communicated from abroad by Edward R Knowles of
Brooklyn in the County of Kings State of New York United States of
America
PROVISIONAL SPECIFICATION left by the said Frederick John Cheesbrough
at the Office of the Commissioners of Patents on the 1st January 1883.
FREDERICK JOHN CHEESBROUGH of the Office for Patents 15 Water Street
Liverpool in the County of Lancaster Consulting Engineer "AN IMPROVED
SYSTEM, OR COMBINATION OF ELECTRICAL APPARATUS AND CONDUCTORS TO BE
USED IN THE APPLICATION OF ELECTRICITY TO PRACTICAL USE, AND ESPECIALLY
TO DOMESTIC, OR HOUSEHOLD LIGHTING [Communicated from abroad by
Edward R Knowles of Brooklyn in the County of Kings State of New York
United States of America]
»
Reference being had to the accompanying Drawings making part of this
Specification, and to the figures and letters of reference marked thereon, the
drawings being intended to represent this Invention and some of the modifications
thereof, as will be hereinafter more fully explained.
Figuro 1 of said drawings is an outline diagram intended to show a combination
of a generator, a storage battery, a series of electric lamps and the conductors and
switches connecting and operating them
By Figure 2 substantially the same Invention is illustrated applied to telegraphy,
differing somewhat from Figure 1 as will be presently explained.
By Figure 3 of the Drawings substantially the same Invention is illustrated, but
a more extended application of it is shown as hereafter more fully set forth.
By Figures 4. 5. 6. 7. 8. 9. 10. 11, 12 and 13 of the Drawings are shown
modified forms and applications of the invention and its several parts as will bo
hereinafter more fully described.
By Figures 14 and 15 the application of the invention is shown more in detail.

page_text: This Invention consists of a novel combination of a generator, a storage battery
and a translating device connected by suitable conductors and governed by suitable
switches and other regulators, by which a system is provided for the practical use
of electricity at a very small cost.
The invention is intended more especially as a system of domestic lighting.
The object being to place a generator of electricity, a storage battery and also
the lamp circuits, switches and regulators necessary to form a complete system in
each house to be lighted, and to do it at small cost. But, of course, the use of this
Invention is not confined to electric lighting, as it is equally applicable to many
other purposes. The several parts and combination of parts are described as
follows:
A very simple form of this Invention is illustrated by Figure 1 of the Drawings,
which is a mere diagram intended to illustrate the combination of a generator,
a storage battery and a series of electric lamps and the conductors by which the
several devices are connected
In this diagram A represents a generator of electricity of any form and substanco
that will give a current of electricity; B a storage battery of any approved
construction; L one or more electric lamps, or other electro-translating devices;
Y, P the circuit of the generator and the storage battery; N, P, the circuit of the
storage battery and the lamps and S and S' are switches in the respectivo circuits
Now let the circuit Y, P, be closed and the circuit N, P broken and the storage
battery B connected in multiple arc, as shown by Figures 11. 12 and 13 then the
generator will charge the battery B to its maximum. Now let the circuit Y. P. bo
broken and the circuit N. P. closed and the storage battery B connected in series,
then the stored force in the battery B will illuminate, or energize the lamps L, or
such other electro-translating devices as may be placed in the circuit. By those
means a very weak current or generator of electricity can be made available to
operate an electro-translating device requiring a current of high elector [sic] motive
force, or intensity.
Thus, assume the generator A to be a very weak one with nothing like energy
sufficient to illuminate either one of the lamps L, when placed in direct circuit, but
with energy enough to charge through, say, a period of twelve hours, the storage
battery to its maximum, then the force accumulated in the storage battery through
said period of twelve hours would be sufficient (other things be equal) to illuminate
one or all the lamps for a period of, say, four hours.
:
The same combination is applicable to telegraphing as well as to electric
lighting thus the diagram Figure 2 of the drawings illustrates the invention
applied to telegraphy the generator being represented by A, the storage battery
by B B and their circuits by Y P as in Figure 1, but in this case N represents the
line and L the stations, E representing the earth circuit, which may, however be
made by a return wire in case of need.
By Figure 3 of the drawings a more extended application of the invention is
illustrated. In this case an additional storage battery B' B' B¹ is combined in the
system.
By these menus and by means of the combination of conductors and switches
shown in the diagram, the battery B can be charged by the generator A, while the
battery B is being exhausted by the lamps L and vice versa. Thus by closing tho
switches S S. and S the circuits will be from the generator through battery B¹
and conductors Z, but by closing the switches S S and SVI and leaving switches
SS and SV open the circuits will be from the generator through the battery B
aud conductor Y and from the battery B' through the lamps and conductors N.
By the diagram Figure 4 of tho drawings is shown a modified form of the
invention
By this combination of devices two, or more generators A and A' can be used in
the system either in series, or in multiple are and the lamps and storage batteries
can be connected either in series, or in multiple arc. In this case when the switches
S and S are closed and the switch S" is open the generators are in multiple arc;

page_text: but when S and S¹¹¹ are open and S" is closed the generators are in series. The
storage batteries are used in this diagram either in series, or in multiple are by
opening, or closing the switch S then when this switch is open the battery B will
act in series, when it is closed the batteries B and B will act together in
multiple arc and the lights, or other electro translating apparatus are made to act
in the same way; then, when the switch SV is open and SVI closed the storage
batteries will act on the lamps L in series, but when the switch S is closed the
batteries will act on the lamps L and L' together in the multiple arc and when the
switches S S and SX are closed and SVI is open the generators are made to
charge both batteries, or only one according as the proper switches are open, or
closed as will be readily understood upon consideration of the drawing illustrating
this arrangement to be hereafter described and which can be substituted for the
arrangement shown by Figures 1. 2 and 3.
By Figure 5 of the drawings there are shown two generators arranged in series
and by Figure 6 there are shown two generators arranged in multiple are; the
number of generators may, of course, be increased in both cases and may be
substituted for the generator in Figures 1. 2. 3. 4 and 5.
By Figure 7 of the Drawing is shown a number of lamps or other electro
translating devices arranged in multiple arc. By Figure 8 they are shown
arranged in multiple series and by Figure 9 they are shown arranged in series
multiple, all of which arrangements may be substituted for those shown in
Figures 1. 2. 3. 4 and 5.
By Figure 11 of the Drawing is shown a number of storage batteries B arranged
in multiple are. Figure 12 shows the same batteries in multiple series and
Figure 13 shows then arranged in series multiple all of which may be substituted
for the batteries in Figures 1. 2. 3. 4 and 5 as well as other arrangement
substantially the same that might be illustrated.
By Figure 10 of the Drawings is shown a lamp, or other apparatus in circuit. S
being a switch for cutting the lamp out, and R an adjustable shunt having a
resistance for preserving the continuity and resistance of the circuit when the lainp
is cut out.
All the lamps, or other electro-translating devices, shown or illustrated in the
several Figures of the Drawings can be arranged in this, or in any of the well
known ways of arranging lamps, or other electro-translating apparatus in circuit.
By Figure 14 of the Drawings is shown a more extended application of the
invention than is shown in any of the Figures hereinbefore referred to-In this
Figure A represents the generator, B and B represents two storage batteries on
one side and B and B two of such batteries on the other side of the generator
the lamps L being placed between the two sets of batteries by which they are
alternately operated. S is a switch which may be automatic in its action and is so
arranged that when one of the batteries Bor B' are being charged by the generator
the other batteries B and B are acting on the lamps L. The drawing shows
the switch adjusted to put the generator in circuit with the battery B' and the
Battery B" in circuit with the lamps L. Thus the battery B" is acting through
the circuit XX' and the switch pieces 5 and 7 the circuit Y. Y, and the lamps L
while the battery BL is being charged by the generator through the circuits 'Z
and Z', switch pieces 1 and 3 and the circuits XX But by pushing down But
by pushing down the switch piece P the action is reversed and the series of.
battery B. will then act through the circuit of lights L, conductors X X, switch
pieces 2 and 4 circuits Y Y, and the Battery B will be charged by the generator
through the circuits Z and Z switch pieces 6 and 8 and series X' X₁ The switch S
may be made automatic in its action by any of the well known electro mechanical
devices so as to charge the circuits at regular intervals. The switch S5 is used to
disconnect the generator from the plant entirely and by the switches S'S" S
and ST the outside batteries B and B are charged and are made to act in con-
junction with the other batteries or are made to operate the lamps in case of
accident or other emergency

page_text: The electric condition or charge of the storage battery is ascertained by means
of indicators I and I and the current through the lamps is regulated by an
automatic regulator R and safety switch R' are combined with the Lamps to
maintain the continuity of the circuit in case of accident to the lamps.
It is not necessary to illustrate or describe the construction and operation of any
particular form of indicator automatic regulator or safety switch because these aro
all electro mechanical devices now well known to those skilled in the art to which
this invention appertains and because this invention does not consist-of either of
these devices considered by themselves but of their combination with other devices
composing the system But the automatic switch combined in Figure 1 of the
Drawing posses features of novelty in itself and in its relation to other parts of
the system. Its construction is therefore illustrated by Figure 15 of the drawing.
In this illustration A is the generator L the lamps B one storage battery and B¹
another similar battery 1, 2. 3 4, 5, 6. 7 and 8 are a set of Stationery contact points
and a b c and d are a set of contact points upon a moveable switch pieco S E is
a gulcrum upon which a lever F is pivoted one end of which lever is connected to
the switch piece S and the other at L to a moveable core K of the electro magnets D
and D' the end of the lever F extending across the core K and arranged to mako
alternate contact with the terminal wires g and h of the two Magnets D and D'
A differential galvometer is represented by G interposed in the circuits X Y and
X Y' and a local battery also in electrical connection with the galvometer and the
electro magnet is shown at H
The operation of the apparatus is as follows assuming the generator to be
charging the battery B and the battery B₁ to be running the Lamps
The first circuit is from the generator through X and galvometer G circuit X
contact points 1 and a the battery B and contacts b and 3 back to the generator.
The second circuit is from the battery B' through the circuit Y₁ lamps L
galvometer G circuit Y and the contacts 5 and c back to the batteries Now tho
circuit wires X Y and X' Y' being wound on the galvometer in opposite directions
the two circuits will so nearly balance each other as to keep the switch piece S and
the needle of the galvometer from effective action until the electro motive force
in the two circuits become so far unequal as to make its action necessary to change
the switch and the currents from the generator to the batteries and the batteries
to the lamps. Thus as the battery B' continues to exhaust itself through the
lights L the current from it through the galvometer becomes weaker and weaker
and as the current from the generator A continues to charge the battery B tho
current flowing in that circuit and through the galvometer in the opposite direction
also grows weaker and weaker as the battery becomes more fully charged until at
last the electro motive force of the battery B will neutralize the electro motivo
force of the generator A and set up a current the reverse of that given out by the
generator when this takes place the currents flowing around the galvometer in
opposite direction will be that from the storage battery B' weak but still flowing
and that from the generator which will be nil or reversed in the direction of and
acting with that from the battery B' and which will throw the needle ƒ of the
galvometer against the contact piece and close the local circuit of the battery H
thus energizing the magnet D and drawing the core K in that magnet and throwing
the upper end of the lever F and the switch piece S in the opposite direction by
which the circuits are changed the circuit of the exhausted battery and generator
being closed as is also the circuit of the lamps and the newly charged battery-and
the newly charged battery being in its turn exhausted the same action takes place
as before the magnet D being energized in this instance driving the switch piece in
the opposite direction and the lower point of the lever F against the contact h
instead of gas before

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said Frederick John Cheesbrough in the Great Seal Patent Office on
the 29th June 1883.
FREDERICK JOHN CHEESBROUGHI, of the Office for Patents, 15, Water Street,
Liverpool, in the County of Lancaster, Consulting Engineer "AN IMPROVED
SYSTEM OR COMBINATION OF ELECTRICAL APPARATUS AND CONDUCTORS TO BE
USED IN THE APPLICATION OF ELECTRICITY TO PRACTICAL USE AND ESPECIALLY
TO DOMESTIC, OR HOUSEHOLD LIGHTING.-A Communication to me from abroad
by Edward R. Knowles, of Brooklyn, in the County of Kings. State of New York,
United States of America
The following is a description of this said Invention in such full, clear concise
and exact terms as to enable any one skilled in the art to which the Invention
appertains or with which it is most nearly connected to make and use the same
reference being had to the accompanying sheet of Drawings making part of this
Specification and to the figures and letters of reference marked thereon, the
Drawings being intended to represent the Invention and some of the modifications
thereof as will be hereinafter more fully explained.
Figure 1 of said Drawings is an outline diagram intended to show a combination
of a generator, a storage battery a series of electric lamps and the conductors and
switches connecting and operating them.
By Figuro 2 substantially the saine Invention is illustrated applied to telegraphy
differing somewhat from Figure 1 as will be presently explained
By Figure 3 of the Drawings substantially the same Invention is illustrated,
but a more extended application of it is shown as hereafter more fully set forth.
By Figures 4. 5. 6. 7. 8. 9. 10. 11. 12 and 13 of the Drawings are shown modified
forms and applications of the Invention and its several parts as will be hereinafter
more fully described.
By Figures 14 and 15 the application of the Invention is shown more in detail
This Invention consists of a novel combination of a generator, a storage battery
and a translating device connected by suitable conductors and governed by suitable
switches and other regulators by which a system is provided for the practical use
of electricity at a very small cost.
The Invention is intended more especially as a system of domestic lighting.
The object being to place a generator of electricity a storage battery and also
the lamp circuits switches and regulators necessary to form a complete system in
each house to be lighted and to do it at small cost. But of course the use of
this Invention is not confined to electric lighting as it is equally applicable to
many other purposes. The several parts and combination of parts are described
as follows
A very simple form of this Invention is illustrated by Figure 1 of the Drawings,
which is a mere diagram intended to illustrate the combination of a generator,
a storage battery and a series of electric lamps and the conductors by which the
several devices are connected.
In this diagram A represents a generator of electricity of any form and substance
that will give a current of electricity. B a storage battery of any approved
construction. L one, or more electric lamps, or other electro translating devices.
YP the circuit of the generator and the storage battery N P the circuit of the
storage battery and the lamps and S S¹ are switches in the respective circuits.
Now let the circuit Y P be closed and the circuit N P broken and the storage
battery B connected in multiple are as shown by Figures 11. 12 and 13. then the

page_text: •
generator will charge the battery B to its maximum. Now let the circuit Y P be
broken and the circuit N P closed and the storage battery B connected in series,
then the stored force in the battery B will illuminate or energize the lamps [,
or such other electro translating devices as may be placed in the circuit. By
these means a very weak current, or generator of electricity can be made available
to operate an electro translating device requiring a current of high electro motive
force, or intensity.
Thus assume the generator A to be a very weak one with nothing like energy
sufficient to illuminate either one of the lamps L when placed in direct circuit, but
with energy enough to charge through, say a period of twelve hours the storage
battery to its maximum, then the force accumulated in the storage battery through
said period of twelve hours would be sufficient (other things be equal) to illuminate
one, or all the lamps for a period of say four hours.
The same combination is applicable to telegraphing as well as to electric
lighting; thus the diagram Figure 2 of the Drawings illustrates the Invention
applied to telegraphy, the generator being represented by A the storage battery
by B B and their circuits by Y. P. as in Figure 1. but in this case it represents
the line and L the stations E representing the earth circuit, which may however
be made by a return wire in case of need.
By Figure 3 of the Drawing a more extended application of the Invention is
illustrated. In this case an additional storago battery B' B' B' is combined in the
system.
By these means and by means of the combination of the conductors and switches
shown in the diagram, the battery B can be charged by the generator A while the
battery B is being exhausted by the lamps L and vice versa. Thus by closing
the switches S" S' and SV the circuits will be from the generator through
battery B' and conductors Z. But by closing the switches S S and SIV and
leaving switches S" S¹ and SV open the circuits will be from the generator through
the battery B and conductor Y and from the battery B₁ through the lamps and
conductors N.
By the diagram Figure 4 of the Drawing is shown a modified form of the
Invention.
By this combination of devices two, or more generators A and A' can be used in
the system either in series, or in multiple are and the lamps and storage batteries
can be connected either in series, or in multiple arc. In this case when the
switches S and S1 are closed and the switch S" is open, the generators are in
multiple arc, but when S and S are open and S" is closed the generators are in
series.
The storage batteries are used in this diagram, either in series, or in multiple
arc by opening, or closing the switch STI then when this switch is open the
battery B will act in series, but when it is closed the batteries B and B will act
together in multiple are and the lights, or other electro translating apparatus are
made to act in the same way; then when the switch SV is open and SVI closed the
storage batterics will act on the lamps L in series, but when the switch SV is closed
the batteries will act on the lamps L and L' together in the multiple are and when
the switches SIV SVII and SX are closed and SVI is open the generators are made
to charge both batteries, or only one according as the proper switches are opened,
or closed, as will be readily understood upon consideration of the Drawing illus
trating this arrangement to be hereinafter described and which can be substituted
for the arrangement shown by Figures 1. 2 and 3.
By Figure 5 of the Drawing there are shown two generators arranged in series
and by Figure 6 there are shown two generators arranged in multiple arc, the
number of generators may of course be increased in both cases and may be
substituted for the generator in Figures 1. 2. 3. 4 and 5.
By Figure 7 of the Drawings is shown a number of lamps or other electro
translating devices arranged in multiple arc. By Figure 8 they are shown
arranged in multiple series and by Figure 9 they are shown arranged in series

page_text: multiple, all of which arrangements may be substituted for those shown in
Figures 1. 2. 3. 4 and 5.
By Figure 11 of the Drawing is shown a number of storage batteries B arranged
in multiple arc. Figure 12 shows the same batteries arranged in multiple series
and Figure 13 shows them arranged in series multiple, all of which may be
substituted for the batteries in Figures 1. 2. 3. 4 and 5 as well as the other
arrangement substantially the same that might to be illustrated By Figure 10 of
the Drawings is shown a lamp, or other apparatus in circuit S being a switch for
cutting the lamp out and R an adjustable shunt having a resistance for preserving
the continuity and resistance of the circuit when the lamp is cut out.
All the lamps, or other electro translating devices shown, or illustrated in the
several Figures of the Drawings can be arranged in this, or in any of the well
known ways of arranging lamps, or other electro translating apparatus in circuit.
By Figure 14 of the Drawing is shown a more extended applicablcation [sic] of the
Invention than is shown in any of the figures heretofore referred to. In this
Figure A represents the generator. Band B' represent two storage batteries on one
side and B and B two of such batteries on the other side of the generator, the
lamps L being placed between the two sets of batteries by which they are alter-
nately operated. S is a switch which may be automatic in its action and is so
arranged that when one of the batteries B, or B' are being charged by the generator,
the other batteries B and B are acting on the lamps L. The Drawing shows
the switch adjusted to put the generator in circuit with the battery B' and the
battery B in circuit with the lamps L. Thus the battery B₁ is acting through
the circuit X'X' and the switch pieces 5 and 7 the circuit Y Y and the lamps L
while the battery B' is being charged by the generator through the circuits Z
and Z switch pieces 1 and 3 and the circuits X X. But by pushing down the
switch piece P the action is reversed and the series of battery B' will then act
through the circuit of lights L conductors X X switch pieces 2 and 4 circuits Y Y
and the battery B will be charged by the generator through the circuits Z and Z'
switch picces 6 and 8 and series X'X'. The switch S may be mado automatic in
its action by any of the well known electro mechanical devices so as to charge tho
circuits at regular intervals. The switch S is used to disconnect the generator
from the plant entirely and by the switches S' S" S¹¹ and STV, the outside batteries
B and B are charged and are made to act in conjunction with the other batteries,
or are made to operate the lamps in case of accident, or other emergency.
The electric condition, or charge of the storage battery is ascertained by means
of indicators I and I¹ and the current through the lamps is regulated by an
automatic regulator R and safety switch R¹ are combined with the lamps to
maintain the continuity of the circuit, in case of accident to the lamps. It is not
thought necessary to illustrate, or describe the construction and operation of any
particular form of indicator automatic regulator, or safety switch because these are
all electro mechanical devices now well known to those skilled in the art to which
this Invention appertains and because the Invention does not consist of either of
these devices considered by themselves, but of their combination with other devices
composing the system. But the automatic switch combined in Figure 1 of the
Drawings possesses features of novelty in itself and in its relation to other parts of
the system. Its construction is therefore illustrated by Figure 15 of the Drawing.
In this Drawing A is the generator L the lamps B one storage battery and B²
another similar battery. 1. 2. 3. 4. 5. 6. 7 and 8 are a set of stationary contact
points and a b c and d are a set of contact points upon a moveable switch piece S.
E is a fulcrum upon which a lever F is pivoted, one end of which lever is connected
to the switch piece S and the other at L to a moveable core K of the electro
magnets D and D' the end of the lever F extending across the core K and arranged
to make alternate contact with the terminal wires g and h of the two magnets D
and D¹. A differential galvometer is represented by G interposed in tho
circuits X Y and X' Y' and a local battery also in electrical connection with the
galvometer and the electro magnet is shown at H,

page_text: The operation of the apparatus is as follows Assuming the generator to be
charging the battery B and the battery B¹ to be running the lamps.
The first circuit is from the generator through X and galvometer G circuit X
contact points 1 and a tho battery B and contacts b and 3 back to the generator.
The second circuit is from the battery B' through the circuit Y₁ lamps L
galvometer G circuit Y and the contacts 5 and C back to the batteries. Now
the circuit wires X Y and X¹ Y' being wound on the galvometer in opposite
directions, the two circuits will so nearly balance each other as to keep the switch
piece S and the needle of the galvometer from effective action until the electro
motivo force in the two circuits become so far unequal as to make its action
necessary to change the switch and the currents from the generator to the batteries
and the batteries to the lamps. Thus as the battery B₁ continues to exhaust
itself through the lights L, the current from it through the galvometer becomes
weaker and weaker and as the current from the generator A continues to charge
the battery B the current flowing in that circuit and through the galvometer in
the opposite direction also grows weaker and weaker as the battery becomes moro
fully charged until at last the electro motive force of the battery B will neutralizo
the electro motive force of the generator A and set up a current the reverse of that
given out by the generator. When this takes place the currents flowing around
the galvometer in opposite direction will be that from the storage battery B¹
weak but still flowing and that from the generator which will be nil or reversed
in the direction of and acting with that from the battery B' and which will throw
the needle f of the galvometer against the contact piece and close the local
circuit of the battery H, thus energising the magnet D and drawing the core K in
that magnet and throwing the upper end of the lever F and the switch piece S in
the opposite direction, by which the circuits are changed, the circuit of the
exhausted battery and generator being closed, as is also the circuit of the lamps
and the newly charged battery being in its turn exhausted the same action takes
place as before, the magnet D' being energized in this instance driving the switch
piece in the opposite direction and the lower point of the lever F against the
contact instead of g, as before.
Having thus described the system of storing and applying electricity, the
features of novelty are embraced in the following claims, and it will be understood
that the word lamp as used in the claims is intended to include any known electro
translating device that may take the place of the lamp in the combination, such as
an electric engine, motor telegraph apparatus and the like.
What I claim as the Invention communicated to me by my Foreign corre-
spondent is
First In a system of storing and applying electricity the combination of a
generator of electricity (A), a storage battery (B), one, or more electric lamps. (L)
and two electric circuits (NPY) in each of which circuits a switch (S and S¹) is
interposed, the several parts coacting as described and for the purpose of storing
electric force in one circuit of the combination and using it in the other, leaving
the combination as a whole intact.
Second In a system of storing and applying electricity the combination of a
generator of electricity (A), two electric circuits (P and P¹) in each of which a
storage battery (B and B') and two, or more switches (S S and S' and S¹¹) are
placed and an electric circuit containing one, or more electric lamps (L) in which a
switch (SIV and SV) is placed the several parts coacting to charge the storage
battery of one circuit, while that of the other circuit is illuminating or operating
the lamp substantially as described.
Third In a system of storing and applying electricity, the combination of two,
or more generators of electricity (A and A¹) in circuits provided with switches
connecting then either in series, or in multiple are two, or more circuits in each of
which a storage battery (B and B") is placed and two, or more circuits in each of
which one, or more lamps (L and L') are placed; both the storage circuits and the
lamp circuits to be provided with switches by which in case of an accident, or the

page_text: disruption of one battery, or set of lamps, the other battery, or set of lamps can be
switched in circuit, the second set being auxiliary to the first.
Fourth In a system of storing and applying electricity the combination of a
generator of electricity (A) two storage batteries (B B₁) one, or more electric
lamps (L) and a circuit changer, or switch (S), one of said storage batteries to be
in circuit with the generator at the same time that one of them is in circuit with
the lamps, the switch being interposed to change the circuits from the generator to
either storage battery and from either storage battery to the lamps
Fifth In a system of storing and applying electricity the combination of a
generator of electricity (A) two storage batteries (B and B¹) one or more electric
lamps (L) and an automatic switch one of said storage batteries to be in circuit
with the generator at the same time that one of them is in circuit with the lamps,
the automatic switch being interposed to automactally [sic] change the circuits from
the generator to either storage battery and from either storage battery to the
lamps.
Sixth In a system of storing and applying electricity two storage batteries one,
or more electric lamps and a switch in combination with a local battery and an
automatic switch in connection with the circuits of the generator battery and
lamps for the purpose of operating the switch automatically
Seventh In combination with a generator of electricity two storage batteries
one, or more electric lamps electrically connected as described a differential galvo-
meter and a switch interposed in the circuits of the generator lamps and batteries
for the purpose of changing them, as described.
In Witness whereof, I the said Frederick John Cheesbrough have hereunto set
my hand and seal this twenty seventh day of June in the year of our Lord
one thousand eight hundred and eighty-three.
FREDERICK JOHN CHEESBROUGH (L.S.)