AN IMPROVED PETROLEUM LAMP AND APPARATUS CONNECTED THEREWITH
Year: 1883

page_text: LETTERS PATENT to Henry Harris Lake of the firm of Haseltine Lake
& Co., Patent Agents Southampton Buildings, London for an Invention of
"AN IMPROVED PETROLEUM LAMP AND APPARATUS CONNECTED THEREWITH"
Communicated to him from abroad by Alphonse Adolphe Lamarre, of
Mehun-sur-Yèvre, Franco, Sculptor.
PROVISIONAL SPECIFICATION left by the said Henry Harris Lake at the
Office of the Commissioners of Patents on the 8th January 1888.
HENRY HARRIS LAKE, of the firm of Haseltine, Lake, and Co., Patent Agents,
Southampton Buildings London "AN IMPROVED PETROLEUM LAMP AND APPARATUS
CONNECTED THEREWITH [A communication to him from abroad by Alphonse
Adolphe Lamarre, of Mehun-sur-Yèvre, France, Sculptor.]
"
This Invention relates to an improved petroleum lamp and apparatus connected
therewith.
This lamp, to which any suitable burner may be fitted, is provided with means
for raising and lowering it, as desired, upon a rod formed with rack-teeth.
In carrying the said Invention into practice I provide a metal rod formed like a
rack and vertically supported by means of a screw and nut, in a stand or
sole-plate.
Upon this rod the receptacle or body of tho lamp is arranged to slide, and for
this purpose the body is provided with an interior partition extending from tho
top to the bottom thereof; within the aperture formed by this partition a metal
case or lining is fixed by means of fine plaster, such as plaster of Paris. This case is
provided with a spring-catch having a tooth, or teeth, for engaging with the teeth
on the rack,
The body of the lamp has two apertures in one of which is fixed the burner
while the other, which is at the opposite extremity, serves for the introduction of
the oil, and is provided with a screw-cap which fits on to a corres ading aleove or
tube forming a part of, or fixed to, the body of the lamp.
The said spring catch may be disengaged by a slight pressure.
The lamp and stand are, by preference, manufactured of hard pelain, but may
be made of other suitable material, and their form may be modified in various
manners. The great advantages presented by the improved lamp arranged as
above described being the facility and rapidity with which the light can be elevated
or lowered at will

page_text: 6th July 1883.
HENRY HARRIS LAKE of the firm of Haseltine, Lake & Co Patent Agents
Southampton Buildings London "AN IMPROVED PETROLEUM LAMP AND APPARATUS 5
CONNECTED THEREWITHI A communication to mo from abroad by Alphonse
Adolphe Lamarre, of Mehun-sur-Yèvre, Franco Sculptor
"
This invention relates to an improved petroleum lamp and apparatus connected
therewith
This lamp, to which any suitable burner may be fitted, is provided with a 1
toothed rack which permits the lamp to be raised or lowered in a vertical direction
whereby the position of the light may be adjusted.
In the accompanying drawing
Figure 1 is a front elevation of a lamp constructed according to this invention.
Figure 2. is a vertical section, and
Figure 3 is a plan of the same.
Figures 4, 5 and 6 are detail views hereinafter described.
According to the said invention I provide a square rod C of metal and having
teeth, a side view of which is shown in Figuro 4. Tho said rod is maintained in a
vertical position. upon a stand or sole-plate by means of a screw and nut, and has 2
screwed upon the top a ring A.
Upon this rod the receptacle or body G of the lamp is arranged to slide, and for
this purpose the said body G is provided with an interior partition H extending
from the top to the bottom thereof. Within the aperture formed by the partition H
a metal case or lining D is fixed by means of plaster of Paris or the like, and is
provided with spring catch F having a tooth E (shown detached and drawn to an
enlarged scale in Figures 5 & 6) which engages with the teeth on the rack C.
The body of the lamp, which is preferably oblong in shape, has two apertures I
and J; in the aperture I the burner is fixed, while the aperture J which is at the
opposite extremity of the said receptacle, serves for the introduction of tho oil. 3
The aperture J is provided with a screw-cap K which fits on to a nipple or tube
forming a part of the body G of the lamp.
To alter the position of the light on the rod C it is sufficient to push the part F
of the spring catch downwards in order to release the hook E thereof, from the
rack teeth, and allow the lamp to be moved on the said rod. When the part F is 3
released the lamp will be held in the desired position
-
Although I prefer to construct the body G of the lamp, and the foot B, of
porcelain I may, if desired, use glass, opal, stonoware, china, imetal or other suitable
material.
"
The body of the lamp and the foot B may be modified in form and ornamented
as desired without departing from the nature of the said invention.
The advantages resulting from the use of the improved lamp consist of tho
facility and rapidity with which the light may be raised or lowered.
Having thus fully described the said invention as communicated to me by my
foreign Correspondent, and the manner of performing the same, I wish it
understood that I claim
A petroleum lamp comprising a body or receptacle provided with two apertures,
one for the burner and the other for allowing the said lamp to be filled; the said

page_text: body or receptacle having an internal partition in the form of a tubo within which
a spring catch is arranged to act upon a rack, substantially as, and for the purpose,
described.
In witness whereof I the said Henry Harris Lako have hereunto set my hand
and seal this sixth day of July in the year of our Lord One thousand
eight hundred and eighty three.
HENRY H LAKE (LS.)