or other Measurement on Prepayment of a Coin.
Year: 1887

page_text: or other Measurement on Prepayment of a Coin.
FREDERICK CHARLES LYNDE of 48 King Street Manchester in the County of
Lancaster Civil Engineer do hereby declare the nature of this invention to be as
follows:-
This invention is applicable to automatic machines for indicating weight, pressure
or other similar force or other measurement such as height on prepayment of a coin,
and relates first to such machines wherein the indication is given by an electric spark
indicating the position of a masked finger with regard to a graduated dial, quadrant
or scale, such spark or sparks being produced by the introduction of a coin into the
apparatus as described in the Specification filed by me in pursuance of an application
for Letters Patent No. 3251 of 1887, the object of this part of the invention being
to prolong the time during which such electric indication is visible; and the second
part of the said invention relates to an arrangement of apparatus wherein the numerals
are marked upon a glass disc or scale moving behind an opening which is masked
with a semi-opaque material, and are rendered visible on the introduction of the coin
which completes an electric circuit and thus lights an incandescent or other electric
light at the back of the disc so as to illuminate the numeral which is opposite to the
opening.
According to the first part of my invention the coin is placed through a slit into a
shoot, and falls into a small box.
This box is supported by a cord or wire passing over a pulley, and having a counter-
balance weight, attached to its other end, which is sufficiently heavy to raise the box
to the top when empty. When the coin falls into the box it overcomes the counter-
balanced weight, and causes the box to commence descending, being guided by fixed
wires.
At the side of the box there is a small arm which supports by means of a knot or
button, a cord, to the lower end of which is attached a forked piece of metal. As
he box descends the arms of this fork descend into mercury contained in two
glass tubes.

page_text: The wires from the battery dip into or are otherwise in connection with the
mercury and thus the electric circuit is completed and a series of electric sparks
is caused to pass from the end of the finger or index to the opposite point on a
metal ring (or vice versa) and thus indicate the numeral to which the finger is
pointing.
This discharge of electric sparks continues thus rendering the indication visible
until the box arrives at its lowest point when a plunger in the bottom of the box
comes into contact with a fixed part of the apparatus and causes the coin to be
pushed up out of the box, which latter being thus lightened of its load is then drawn
back by the counter balance weight into its original position.
As soon as the arm arrives at the knot or button on the cord it causes the
same to lift the fork out of the mercury and thus disconnects the wires and breaks
the current as described in the Specification of the Letters Patent hereinbefore
referred to.
According to the second part of my present invention I propose to use the same
arrangement of connecting and disconnecting apparatus for causing the coin to
make and to maintain the electric circuit unbroken for a given time but instead of
using the electric "sparking" arrangement in connection with a masked finger in
front of a dial or scale as before I make use of the said current to ignite an electric
glow
or other lamp or to give "sparks" behind the graduated dial or scale upon
which the numerals are painted or otherwise marked.
"
دو
0
The graduated dial or scale is made of clear glass or other transparent material
and is so connected with the weighing or other analogous machine that the
application of weight or static or dynamic force thereto shall cause the said dial
or scale to revolve or slide so as to bring the corresponding figure opposite to an
opening in a fixed mask or screen placed in front thereof.
This opening is covered with a piece of opal glass or other equivalent material
of such a nature that the figures or numerals are only visible on the lamp being
lighted behind the disc as above described.
Or in some cases I propose to use a simple opening and to make the revolving
disc or sliding scale of opal glass, or similar semi-opaque material and to paint the
figures or numerals on the back thereof with opaque white paint, or otherwise mark
them so that they will only be visible when illuminated.
Or the graduated disc or scale may be fixed and made of semi-opaque material, and
an index or pointer may be caused to move behind the same, but its position will only
be visible when the same is illuminated as before stated.
Instead of using electricity as the source of light for these purposes I also propose
to use a candle, gas or oil lamp or other ordinary artificial light and so to arrange
the same that it shall only be available for the purpose of illuminating the dial
quadrant or scale on the prepayment of the requisite coin.
Dated this 2nd day of December 1887.
GEORGE DAVIES,
4, St. Ann's Square, Manchester,
Agent for the Applicant.

page_text: improvements in Apparatus for Indicating Static or Dynamic Force
or other Measurement on Prepayment of a Coin.
I FREDERICK CHARLES LYNDE of 48 King Street Manchester in the County o
Lancaster Civil Engineer do hereby declare the nature of this invention and in what
manner the same is to be performed, to be particularly described and ascertained in
and by the following statement :—
This invention is applicable to automatic machines for indicating weight, pressure,
or other similar force or other measurement such as height on the prepayment of a coin
and relates first to such machines wherein the indication is given by an electric
spark indicating the position of a masked finger with regard to a graduated dial
quadrant or scale, such spark or sparks being produced by the introduction of a coin
into the apparatus as described in the Specification filed by me in pursuance of an
application for Letters Patent No. 3251 of 1887 the object of this part of the invention
being to prolong (within a certain definite limit) the time during which the indication
is visible, and the second part of the said invention relates to an arrangement of
apparatus wherein the numerals are marked upon a glass disc or scale moving behind
an opening which is masked or screened with a semi-opaque material, and are rendered
visible on the introduction of the coin which completes an electric circuit and thus
lights an incandescent or other electric lamp at the back of the disc, so as to
illuminate the particular numeral or indication which is, for the time being opposite
to the said opening. This part of my invention is also applicable to the exhibition of
transparencies and the like.
The nature of my said invention and the manner in which the same is to be
performed or carried into practical effect will be readily understood on reference
to the annexed sheet of drawings, and the following explanation thereof.
In the annexed drawing Fig. 1. represents (partly in elevation and partly in section)
an ordinary dial weighing machine with the first part of my improvements shown
as applied thereto.
a being the platform, b the pillar and the graduated dial-d is the opaque disc or
mask and e is the movable index finger (shown by dotted lines) the position of which
with regard to the graduations and numerals on the dial is screened by the said
opaque disc or mask and only rendered visible on the production of an electric spark,
or sparks, by the insertion of the proper coin, as described in the Specification
(No. 3251 of 1887) previously referred to.
According to the first part of my invention the coin is placed through a slit or
opening into a shoot and falls into a small box m or it may be introduced into the
said box by means of a coin slide as described in the Specification of Letters Patent
No. 11911 of the year 1885. and other Patents granted to me at various dates.
The box m (shown enlarged in perspective view at Fig. 2) is supported by a cord n
passing over a pulley o and having a counterbalance weight p attached to its other
end, which is sufficiently heavy to raise the box m, to the top when empty. When
the coin falls into the box it overcomes the counterbalance weight p and causes the

page_text: box m, to commence descending being guided by the fixed wires. At the side
of the box m there is a small arm r which supports (by means of a knot or button)
a cord s to the lower end of which is attached a forked piece of metal t. As the box m
descends the arms of this fork descend into mercury contained in two glass tubes
(sce enlarged view Fig. 3).
The wires from the battery dip into, or are otherwise in connection with the mercury
and thus the electric circuit is completed and a series of electric sparks is caused to
pass from the end of the finger or index e to the opposite point on the metal ring h
which surrounds the dial (or vice versú from the ring to the index) and thus indicate
the numeral to which the finger e is pointing, as described in the Specification
No. 3251 of 1887 previously referred to.
This discharge of electric sparks continues (thus rendering the indication visible)
until the box m arrives at its lowest point when a plunger u in the bottom of the box
(see Figs. 2 and 4) comes into contact with a fixed part of the apparatus which
causes the said plunger to rise and the coin to be pushed up out of the box m,
the upper face of the plunger being sloped for the purpose of discharging the
same with more certainty.
The box m being thus lightened of its load is then drawn back by the counter-
balance weight p and cord n into its original position, and as soon as the arm » arrives
at the knot or button on the cords it causes the same to lift the fork t, out of the
mercury and thus disconnects the wires and breaks the electric current (see Figs. 2
and 3) as described in my said Specification No. 3251 of 1887.
According to the second part of my invention I propose to use the same arrangement
of connecting and disconnecting apparatus for causing the coin to make and to
maintain the electric current unbroken for a definite time, but instead of using the
electric sparking arrangement in connection with a masked finger in front of a dial
or scale, as before, I make use of the said current to ignite an electric "glow" or
other lamp behind the graduated dial or scale upon which the numerals are painted
or otherwise marked as illustrated at Fig. 5. on the drawings.
The graduated dial (represented by the two dotted circles) is made of clear glass or
other transparent material, and is so connected with the weighing or other analogous
machine that the application of weight, or static or dynamic force thereto shall cause
the said dial to revolve so as to bring the corresponding figure or numeral opposite to
the opening made in a fixed mask or screen d placed in front thereof.
This opening is covered with a piece of opal glass or other equivalent material of
such a nature that the figures or numerals, are only visible on the lamp a being
lighted behind the disc as above described.
Or in some cases, I propose to use a simple opening and to make the revolving disc
or sliding scale of opal glass or similar semi-opaque material and to paint the figures
or numerals on the back thereof with opaque white paint, or otherwise mark them
thereon, so that they will only become visible when illuminated from the back.
Or, the graduated disc may be fixed (as illustrated by Fig. 6.) and made of semi-
opaque material and an index or pointer e may be caused to move behind the
same, but its position will only be visible when the same is illuminated from behind as
previously stated.
Instead of using electricity as the source of light for these purposes I also propose
sometimes to use gas as illustrated by this figure wherein the lower end of the cord s
is attached to the lever of a gas tap w which is so arranged that the gas jet is always
burning with a small flame and is only turned on full by the descent of the box m
containing the coin.
Or a candle oil lamp or other ordinary artificial light may be used and so arranged
that it shall only be available for the purpose of illuminating the graduated dial
quadrant or scale on the prepayment of the requisite coin.
A convenient arrangement for this is shown at Fig. 7, wherein a candle or other
lamp y is kept always alight but is screened by a cylinder z which takes the place of
the counterbalance weight p, and is only removed by the descent of the box m
containing the proper coin.

page_text: Having now particularly described and ascertained the nature of my said invention
and in what manner the same is to be performed I wish it to be understood that I am
aware of the Specification of Everitt's Patent No. 16433 of 1884, I am aware of the
Specification of Cooper's Patent No. 5139 of 1886 and I am aware of the Specification
of Ubrig's Patent No. 1979 of 1887 and I do not claim anything described and claimed
therein and I am aware it has been previously proposed by other persons to illuminate
a graduated dial by means of an electric lamp placed in front thereof and lighted by
the insertion of a coin and also that it has been proposed to conceal a graduated dial
or scale by means of a movable blind or screen which was removed by the intro-
duction of a coin, and I therefore make no claim to either of such arrangements but
what I claim is :-
First in that class of automatic indicating machines wherein the indication is
given by an electric spark or sparks or other artifical light, the apparatus sub-
stantially as hereinbefore described and illustrated by the annexed drawing for
prolonging within a certain definite limit the time during which the said indication
is visible.
Secondly in the same class of automatic indicating apparatus the use of a trans-
parent graduated dial, quadrant or scale marked with figures or numerals and caused
to revolve or slide at the back of an opening in a fixed screen, such opening being
covered by a semi-opaque material and being illuminated by the insertion of a coin,
lighting or exposing an electric lamp or other artificial light placed at the back of the
dial:
Thirdly in the same class of automatic indicating apparatus the use of a fixed
opaque screen with a simple opening or a fixed pointer in combination with a semi-
opaque moving disc, quadrant or scale marked with the figures or numerals, and
illuminated from the back by the insertion of a coin substantially as hereinbefore
described.
Fourthly. In the same class of automatic indicating apparatus the use of a fixed
semi-opaque disc, quadrant or scale, marked with figures or numerals on the back, in
combination with a movable finger or index placed behind the same, and only
rendered visible when illuminated from the back, by the introduction of a coin
substantially as hereinbefore described.
Dated this 1st day of Santambar 1000
GEORGE DAVIES,
4, St. Ann's Square, Manchester,
Agent for the Applicant.

page_text: Date of Application, 3rd Dec., 1887
Complete Specification Left, 3rd "ept., 1888
Complete Specification Accepted. 19th Oct., 1888
PROVISIONAL SPECIFICATION.
Improvements in Apparatus for Indicating Static or Dynamic Force
or other Measurement on Prepayment of a Coin.
I FREDERICK CHARLES LYNDE of 48 King Street Manchester in the County of
Lancaster Civil Engineer do hereby declare the nature of this invention to be as
follows
This invention is applicable to automatic machines for indicating weight, pressure
or other similar force or other measurement such as height on prepayment of a coin,
and relates first to such machines wherein the indication is given by an electric spark
indicating the position of a masked finger with regard to a graduated dial, quadrant
or scale, such spark or sparks being produced by the introduction of a coin into the
apparatus as described in the Specification filed by me in pursuance of an application
for Letters Patent No. 3251 of 1887, the object of this part of the invention being
to prolong the time during which such electric indication is visible and the second
part of the said invention relates to an arrangement of apparatus wherein the numerals
are marked upon a glass disc or scale moving behind an opening which is masked
with a semi-opaque material, and are rendered visible on the introduction of the coin
which completes an electric circuit and thus lights an incandescent or other electric
light at the back of the disc so as to illuminate the numeral which is opposite to the
opening.
According to the first part of my invention the coin is placed through a slit into a
shoot, and falls into a small box.
This box is supported by a cord or wire passing over a pulley, and having a counter-
balance weight, attached to its other end, which is sufficiently heavy to raise the box
to the top when empty. When the coin falls into the box it overcomes the counter-
balanced weight, and causes the box to commence descending, being guided by fixed
wires.
At the side of the box there is a small arm which supports by means of a knot or
button, a cord, to the lower end of which is attached a forked piece of metal. As
the box descends the arms of this fork descend into mercury contained in two
glass tubes

page_text: The wires from the battery dip into or are otherwise in connection with the
mercury and thus the electric circuit is completed and a series of electric sparks
is caused to pass from the end of the finger or index to the opposite point on a
metal ring (or vice versa) and thus indicate the numeral to which the finger is
pointing.
This discharge of electric sparks continues thus rendering the indication visible
until the box arrives at its lowest point when a plunger in the bottom of the box
comes into contact with a fixed part of the apparatus and causes the coin to be
pushed up out of the box, which latter being thus lightened of its load is then drawn
back by the counter balance weight into its original position.
As soon as the arm arrives at the knot or button on the cord it causes the
same to lift the fork out of the mercury and thus disconnects the wires and breaks
the current as described in the Specification of the Letters Patent herein before
referred to.
According to the second part of my present invention I propose to use the same
arrangement of connecting and disconnecting apparatus for causing the coin to
make and to maintain the electric circuit unbroken for a given time but instead of
using the electric "sparking" arrangement in connection with a masked finger in
front of a dial or scale as before I make use of the said current to ignite an electric
glow or other lamp or to give "sparks" behind the graduated dial or scale upon
which the numerals are painted or otherwise marked.
23
The graduated dial or scale is made of clear glass or other transparent material
and is so connected with the weighing or other analogous machine that the
application of weight or static or dynamic force thereto shall cause the said dial
or scale to revolve or slide so as to bring the corresponding figure opposite to an
opening in a fixed mask or screen placed in front thereof.
This opening is covered with a piece of opal glass or other equivalent material
of such a nature that the figures or numerals are only visible on the lamp being
lighted behind the disc as above described.
Or in some cases I propose to use a simple opening and to make the revolving
disc or sliding scale of opal glass, or similar semi-opaque material and to paint the
figures or numerals on the back thereof with opaque white paint, or otherwise mark
them so that they will only be visible when illuminated.
Or the graduated disc or scale may be fixed and made of semi-opaque material, and
an index or pointer may be caused to move behind the same, but its position will only
be visible when the same is illuminated as before stated.
Instead of using electricity as the source of light for these purposes I also propose
to use a candle, gas or oil lamp or other ordinary artificial light and so to arrange
the same that it shall only be available for the purpose of illuminating the dial
quadrant or scale on the prepayment of the requisite coin.
Dated this 2nd day of December 1887
GEORGE DAVIES,
4, St. Ann's Square, Manchester,
Agent for the Applicant.

page_text: or other Measurement on Prepayment of a Coin.
I FREDERICK CHARLES LYNDE of 48 King Street Manchester in the County of
Lancaster Civil Engineer do hereby declare the nature of this invention and in what
manner the same is to be performed, to be particularly described and ascertained in
and by the following statement:--
This invention is applicable to automatic machines for indicating weight, pressure,
or other similar force or other measurement such as height on the prepayment of a coin
and relates first to such machines wherein the indication is given by an electric
spark indicating the position of a masked finger with regard to a graduated dial
quadrant or scale, sucli spark or sparks being produced by the introduction of a coin
into the apparatus as described in the Specification filed by me in pursuance of an
application for Letters Patent No. 3251 of 1887 the object of this part of the invention
being to prolong (within a certain definite limit) the time during which the indication
is visible, and the second part of the said invention relates to an arrangement of
apparatus wherein the numerals are marked upon a glass disc or scale moving behind
an opening which is masked or screened with a semi-opaque material, and are rendered
visible on the introduction of the coin which completes an electric circuit and thus
lights an incandescent or other electric lamp at the back of the disc, so as to
illuminate the particular numeral or indication which is, for the time being opposite
to the said opening. This part of my invention is also applicable to the exhibition of
transparencies and the like.
The nature of my said invention and the manner in which the same is to be
performed or carried into practical effect will be readily understood on reference
to the annexed sheet of drawings, and the following explanation thereof.
In the annexed drawing Fig. 1. represents (partly in elevation and partly in section)
an ordinary dial weighing machine with the first part of my improvements shown
as applied thereto.
C
a being the platform, the pillar and c the graduated dial-d is the opaque disc or
mask and e is the movable index finger (shown by dotted lines) the position of which
with regard to the graduations and numerals on the dial is screened by the said
opaque disc or mask and only rendered visible on the production of an electric spark,
or sparks, by the insertion of the proper coin, as described in the Specification
(No. 3251 of 1887) previously referred to.
According to the first part of my invention the coin is placed through a slit or
opening into a shoot and falls into a small box m or it may be introduced into the
said box by means of a coin slide as described in the Specification of Letters Patent
No. 11911 of the year 1885. and other Patents granted to me at various dates.
The box m (shown enlarged in perspective view at Fig. 2) is supported by a cord n
passing over a pulley o and having a counterbalance weight p attached to its other
end, which is sufficiently heavy to raise the box m, to the top when empty. When
the coin falls into the box it overcomes the counterbalance weight p and causes the

page_text: box m, to commence descending being guided by the fixed wires q. At the side
of the box m there is a small arm which supports (by means of a knot or button)
a cords to the lower end of which is attached a forked piece of metal t. As the box m
descends the arms of this fork descend into mercury contained in two glass tubes
(see enlarged view Fig. 3).
The wires from the battery dip into, or are otherwise in connection with the mercury
and thus the electric circuit is completed and a series of electric sparks is caused to
pass from the end of the finger or index e to the opposite point on the metal ring h
which surrounds the dial (or vice versa from the ring to the index) and thus indicate
the numeral to which the finger e is pointing, as described in the Specification
No. 3251 of 1887 previously referred to.
This discharge of electric sparks continues (thus rendering the indication visible)
until the box m arrives at its lowest point when a plunger u in the bottom of the box
(see Figs. 2 and 4) comes into contact with a fixed part of the apparatus which
causes the said plunger to rise and the coin to be pushed up out of the box m,
the upper face of the plunger being sloped for the purpose of discharging the
same with more certainty.
The box m being thus lightened of its load is then drawn back by the counter-
balance weight p and cord into its original position, and as soon as the arm arrives
at the knot or button on the cords it causes the same to lift the fork t, out of the
mercury and thus disconnects the wires and breaks the electric current (see Figs. 2
and 3) as described in my said Specification No. 3251 of 1887.
According to the second part of my invention I propose to use the same arrangement
of connecting and disconnecting apparatus for causing the coin to make and to
maintain the electric current unbroken for a definite time, but instead of using the
electric sparking arrangement in connection with a masked finger in front of a dial
or scale, as before, I make use of the said current to ignite an electric "glow" or
other lamp a behind the graduated dial or scale upon which the numerals are painted
or otherwise marked as illustrated at Fig. 5. on the drawings.
The graduated dial (represented by the two dotted circles) is made of clear glass or
other transparent material, and is so connected with the weighing or other analogous
machine that the application of weight, or static or dynamic force thereto shall cause
the said dial to revolve so as to bring the corresponding figure or numeral opposite to
the opening made in a fixed mask or screen d placed in front thereof.
This opening is covered with a piece of opal glass or other equivalent material of
such a nature that the figures or numerals, are only visible on the lamp being
lighted behind the disc as above described.
Or in some cases, I propose to use a simple opening and to make the revolving disc
or sliding scale of opal glass or similar semi-opaque material and to paint the figures
or numerals on the back thereof with opaque white paint, or otherwise mark them
thereon, so that they will only become visible when illuminated from the back.
Or, the graduated dise may be fixed (as illustrated by Fig. 6.) and made of semi-
opaque material and an index or pointer e may be caused to move behind the
same, but its position will only be visible when the same is illuminated from behind as
previously stated.
Instead of using electricity as the source of light for these purposes I also propose
sometimes to use gas as illustrated by this figure wherein the lower end of the cord 's
is attached to the lever of a gas tap we which is so arranged that the gas jet al is always
burning with a small flame and is only turned on full by the descent of the box m
containing the coin.
Or a candle oil lamp or other ordinary artificial light may be used and so arranged
that it shall only be available for the purpose of illuminating the graduated dial
quadrant or scale on the prepayment of the requisite coin.
A convenient arrangement for this is shown at Fig. 7,
lampy is kept always alight but is screened by a cylinder
the counterbalance weight p, and is only removed by the
containing the proper coin.
wherein a candle or other
which takes the place of
descent of the box m

page_text: Having now particularly described and ascertained the nature of my said invention
and in what manner the same is to be performed I wish it to be understood that I am
aware it has been previously proposed by other persons to illuminate a graduated dial
by means of an electric lamp placed in front thereof and lighted by the insertion of a
coin and also that it has been proposed to conceal a graduated dial or scale by means
of a movable blind or screen which was removed by the introduction of a coin,
and I therefore make no claim to either of such arrangements but what I claim is :-
First in that class of automatic indicating machines wherein the indication is
given by an electric spark or sparks or other artificial light, the apparatus sub-
stantially as hereinbefore described and illustrated by the annexed drawing for
prolonging within a certain definite limit the time during which the said indication
is visible.
Secondly in the same class of automatic indicating apparatus the use of a trans-
parent graduated dial, quadrant or scale marked with figures or numerals and caused
to revolve or slide at the back of an opening in a fixed screen, such opening being
covered by a semi-opaque material and being illuminated by the insertion of a coin,
lighting or exposing an electric lamp or other artificial light placed at the back of the
dial.
Thirdly in the same class of automatic indicating apparatus the use of a fixed
opaque screen with a simple opening or a fixed pointer in combination with a semi-
opaque moving disc, quadrant or scale marked with the figures or numerals, and
illuminated from the back by the insertion of a coin substantially as hereinbefore
described.
Fourthly. In the same class of automatic indicating apparatus the use of a fixed
semi-opaque disc, quadrant or scale, marked with figures or numerals on the back, in
combination with a movable finger or index placed behind the same, and only
rendered visible when illuminated from the back, by the introduction of a coin
substantially as herein before described.
בוי
11
1 1000
GEORGE DAVIES,
4, St. Ann's Square, Manchester,
Agent for the Applicant.