IMPROVEMENTS IN MA- CHINERY AND APPARATUS FOR PRODUCING, REGULATING, AND DIRECTING ELECTRIC LIGHT, PART OF WHICH IS APPLICABLE TO OTHER PURPOSES. PROVISIONAL SPATION
Year: 1873

page_text: LETTERS PATENT to Henry Wilde, of Manchester, in the County of
Lancaster, Engineer, for the Invention of "IMPROVEMENTS IN MA-
CHINERY AND APPARATUS FOR PRODUCING, REGULATING, AND DIRECTING
ELECTRIC LIGHT, PART OF WHICH IS APPLICABLE TO OTHER PURPOSES.
PROVISIONAL SPECIFICATION left by the said Henry Wilde at the
Office of the Commissioners of Patents, with his Petition, on the
19th February 1873.
I, HENRY WILDE, of Manchester, in the County of Lancaster, En-
gineer, do hereby declare the nature of the said Invention for “Iм-
PROVEMENTS IN MACHINERY AND APPARATUS FOR PRODUCING, REGULATING, AND
DIRECTING ELECTRIC LIGHT, PART OF WHICH IS APPLICABLE TO OTHER PURPOSES," to
be as follows :-
My Invention consists, firstly, in improvements in the electro-
magnetic induction machine described in the Specification of Letters
Patent granted to me on the 23rd day of March 1867, and numbered
842. The machine therein described consists of two circles of electro-

page_text: magnets placed concentric with an axis of rotation, and between which
electro-magnets a circle or circles of armatures coiled with insulated
wire are made to revolve for the purpose of producing currents of
electricity.
In the present improvement the helices in which the currents are
induced, instead of being coiled round the armatures, are coiled round
the extremities of the iron cores of the electro-magnets, which are pro-
longed for that purpose, or have iron cores fixed thereto, and an iron
wheel or disc, the periphery of which is divided into as many segments
as there are electro-magnets in each circle, is made to revolve between
the circles of stationary electro-magnets, and coils for the purpose of
generating electric currents. The electro-magnets may be excited by a
separate magneto-electric or clectro-magnetic machine, as described in
the before-mentioned Letters Patent, or by the current from one or
more of the stationary coils, in which the major current is induced
through the intervention of a commutator, while the current from the
remainder of these stationary coils is employed for the production of
electric light, or the electric deposition of metals from their solutions,
the working of electric telegraphs or other purpose to which such
current is applicable.
My Invention consists, secondly, in improvements in the apparatus
for regulating the approach of the carbons used for producing the
electric light as they are consumed by the current. In this improve-
ment the carbons are made to approach and to separate from each other
by means of a right and left handed screw connected with the carbon
holders. Each of the screws with its carbon holder can be actuated
independently of the other for the purpose of adjusting the points of the
carbons to the proper focus of any optical apparatus used with the
regulator. Motion is communicated to the screws, which cause the
approach of the carbons either by hand or by a train of wheelwork
actuated by a spring or by a small electro-magnet magnetized and
demagnetized by the alternating currents producing the light.
My Invention consists, thirdly, in apparatus for directing and pro-
jecting the electric light upon distant objects. In this improvement the
light is condensed into a single beam by means of a holophote or a
parabolic reflector mounted on a platform, on which is also placed the
regulator above described. This platform is made to revolve on a vertical

page_text: axis by means of a worm and toothed wheel for the purpose of directing
the electric beam upon any part of the horizon. The front part of the
platform is hinged to a metal frame in such a manner that by means of
a screw the beam of light may be directed upwards and downwards, so
as to cover objects found within every vertical angle of its range, and
the whole apparatus retains whatever position is given to it both
horizontally and vertically without the use of any locking movement.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Henry Wilde in the Great Seal Patent Office on
the 14th August 1873.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, HENRY.
WILDE, of Manchester, in the County of Lancaster, Engineer, send
greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Nineteenth day of February, in the year
of our Lord One thousand eight hundred and seventy-three, in the
thirty-sixth year of Her reign, did, for Herself, Her heirs and suc-
cessors, give and grant unto me, the said Henry Wilde, Her special
licence that I, the said Henry Wilde, my executors, administrators,
and assigns, or such others as I, the said Henry Wilde, my executors,
administrators, and assigns, should at any time agree with, and no
others, from time to time and at all times thereafter during the term.
therein expressed, should and lawfully might make, use, exercise, and
vend, within the United Kingdom of Great Britain and Ireland, the
Channel Islands, and Isle of Man, an Invention for "IMPROVEMENTS
IN MACHINERY, AND APPARATUS FOR PRODUCING, REGULATING, AND DIRECTING
ELECTRIC LIGHT, PART OF WHICH IS APPLICABLE TO OTHER PURPOSES,"
upon the condition (amongst others) that I, the said Henry Wilde,.
my executors or administrators, by an instrument in writing under
my, or their, or one of their hands and seals, should particularly
describe and ascertain the nature of the said Invention, and in what
manner the same was to be performed, and cause the same to be filed
in the Great Seal Patent Office within six calendar months next and
immediately after the date of the said Letters Patent.
,

page_text: NOW KNOW YE, that I, the said Henry Wilde, do hereby declare
the nature of my said Invention, and in what manner the same is to be
performed, to be particularly-described and ascertained in and by the
following statement (that is to say) :-
My Invention consists, firstly, in improvements in the electro-
magnetic induction machine described in the Specification of Letters
Patent granted to me on the Twenty-third day of March One thousand
eight hundred and sixty-seven, and numbered 842. The machine therein
described consists of two circles of electro-magnets placed concentric with
an axis of rotation, and between which electro-magnets a circle or circles
of armatures coiled with insulated wire are made to revolve for the
purpose of producing currents of electricity.
In the present improvement the helices in which the currents are
induced instead of being coiled round the armatures are coiled round
the extremities of the iron cores of the electro-magnets, which are pro-
longed for that purpose, or have iron cores fixed thereto, and an iron
wheel or disc (the periphery of which is divided into as many segments
as there are electro-magnets in each circle) is made to revolve between
the circles of stationary electro-magnets and coils for the purpose of
generating electric currents. The electro-magnets may be excited by a
separate magneto-electric or electro-magnetic machine, as described in
the before-mentioned Letters Patent, or by the current from one or
more of the stationary coils, in which the major current is induced
through the intervention of a commutator, while the current from the
remainder of these stationary coils is employed for the production of
electric light, the electro-deposition of metals from their solutions, the
working of electric telegraphs, or other purposes to which such current
is applicable.
f
My Invention consists, secondly, in improvements in the apparatus
for regulating the approach of the carbons used for producing the
electric light as they are consumed by the current. In this improve-
ment the carbons are made to approach and to separate from each other
by means of a right and left handed screw connected with the carbon
holders. Each of the screws with its carbon holder can be actuated
independently of the other for the purpose of adjusting the points of the
carbons to the proper focus of any optical apparatus used with the

page_text: regulator. This part of my Invention is illustrated by Figs. 1 and 2 of
the accompanying Sheet of Drawings.
Fig. 1 is a front view, and Fig. 2 a side view of the apparatus; a, a,
are the carbons (which are omitted in Fig. 1) fixed in the holders b, b,
which are moved up and down on the guides c, c, by the right and left
handed screws d and e. The inner ends of these screws pass through
the bushf, which fits in the cross stay f'; to the lower end of the
screw e is fixed the mitre pinion e¹ which is driven by the pinion g¹ on
the shaft g.
When the screws d and e are turned round by hand to
bring the points of the carbons nearer to or further from each other the
attendant turns the handle g² to actuate the shaft g; but the shaft g may
be turned round by a train of wheels actuated by a spring or clockwork,
or by a small electro-magnet magnetized and demagnetized by the
alternating currents producing the light. When it is requisite to move
one carbon independently of the other the bush ƒ is raised to disconnect
the right and left-handed screws; the upper screw d can then be turned
by the milled edge of the bush, and the screw e can be turned by the
handle g. The carbon holders b, b, are insulated from each other by
bushes b¹ and 6° made of ebonite or other suitable insulating material.
Figs. 3 and 4 represent a side view and front view of an improved
apparatus forming the third part of my Invention, the object of which
apparatus is for directing and projecting the electric light upon distant
objects. In this improvement the light is condensed into a single beam
by means of a holophote / or a parabolic reflector mounted on the plat-
form i, on which is also placed the regulator above described. This
platform is made to revolve on a vertical spindle fixed in the short
column by means of the worm j and toothed wheel k for the purpose
of directing the electric beam upon any part of the horizon. The front
part of the platform i is hinged to the metal frame 7 in such a manner
that by means of the screw m, which passes through a nut sliding in the
frame, the beam of light may be directed upwards and downwards, so
as to cover objects found within every vertical angle of its range, and
the whole apparatus retains whatever position is given to it, both hori-
zontally and vertically, without the use of any locking instrument.
There is a handle j¹ on the axle of the screw j, and a hand wheel m' on
the end of the screw m, and this handle and hand wheel and the handle
g for regulating the carbons remain at all times in the same relative
positions, and afford great facility to the operator in directing and pro-

page_text: jecting the light. Electrical connection between the regulator and the
electro-magnetic machine is established by the insulated conductor n
passing through the centre of the column .
Having thus described the nature and particulars of my Invention I
wish it to be understood that I do not intend to limit myself to the
details given, and that I claim,—
First. The improvement in the electro-magnetic induction machine
for which Letters Patent were granted to me on the Twenty-third day of
March One thousand eight hundred and sixty-seven, Number 842, as
herein described.
Secondly. The apparatus described and shewn in Figs. 1 and 2 for
regulating the consumption of the carbons used in the production of the
electric light.
And, thirdly. The general arrangement and combination of the screws
and worm wheel, shewn in Figs. 3 and 4, for directing and projecting
the electric light on distant objects, whereby the whole apparatus, when
used on shipboard or otherwise, retains whatever position is given to it
without the use of any locking instruments.
I also claim the arrangement of the handles g³, j', and m³, for actuating
the various parts of the apparatus, as described.
In witness whereof, I, the said Henry Wilde, have hereto set my
hand and seal, this Seventh day of August One thousand eight
hundred and seventy-three.
.
HENRV WILDT
G