AN IMPROVED BURNER FOR LAMPS AND OTHER ILLUMI- NATING APPARATUS
Year: 1872

page_text: LETTERS PATENT to William Robert Lake, of the Firm of Haseltine,
* Lake, & Co., Patent Agents, Southampton Buildings, London, for.
.
1
the Invention of "AN IMPROVED BURNER FOR LAMPS AND OTHER ILLUMI-
NATING APPARATUS."-A communication from abroad by Andrew.
Gormly Myers, of the City and State of New York, United
States of America:
PROVISIONAL SPECIFICATION left by the said William Robert Lake
at the Office of the Commissioners of Patents, with his Petition,
on the 1st February 1872.
I, WILLIAM ROBERT LAKE, of the Firm of Haseltine, Lake, & Co.,
Patent Agents, Southampton Buildings, London, do hereby declare
the nature of the said Invention for "AN IMPROVED BURNER FOR LAMPS
AND OTHER ILLUMINATING APPARATUS," a communication, to be as follows:-
This Invention relates to a burner. of novel construction for lamps and
other apparatus wherein the flame is produced by the combustion of gas
generated from petroleum spirit or other hydrocarbon liquid.

page_text: The said burner consists of two tubes, one of which is provided with
a screw cap, whereby it is attached to the lamp or other apparatus,
while the other tube is fitted to slide upon the first-mentioned tube.
This sliding tube is closed at its upper end, but at a slight distance
therefrom it is perforated with very small holes about the diameter of
the small end of a fine sewing needle. Just below these small holes the
said tube has a wide flange or rim, preferably saucer shaped, and with its
The
upper edge level or nearly so with the aforesaid small holes.
length of the two tubes should be such that when the sliding tube is in
its lowest position upon the fixed tube the upper end of the latter will
be a slight distance below the small holes or perforations in the said
sliding tube.
Into the fixed or inner tube I insert an ordinary cotton wick, which
must be drawn up to the top of the said tube, but should not project
beyond the same. When the burner is attached to a lamp or other
apparatus the wick should be immersed in the oil or spirit therein.
To light the said lamp a lighted match or other flaming object is
applied to the upper end of the burner. The heat of the flame will
instantly cause a slight evaporation, and jets of vapour issuing from the
aforesaid small holes will be ignited. As the heat increases these burning
jets will become rapidly brighter, and in a few moments there will be a
pure, brilliant, and steady light entirely free from smoke or unpleasant
odour. The intensity of the light may be regulated by adjusting the
sliding tube, which is provided with a small ring or handle to allow this
adjustment to be conveniently effected.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said William Robert Lake in the Great Seal Patent
Office on the 24th July 1872.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, WILLIAM
ROBERT LAKE, of the Firm of Haseltine, Lake, & Co., Patent Agents,,3
Southampton Buildings, London, send greeting..

page_text: WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the First day of February, in the year
of our Lord One thousand eight hundred and seventy-two, in the
thirty-fifth year of Her reign, did, for Herself, Her heirs and successors,
give and grant unto me, the said William Robert Lake, Her special
licence that I, the said William Robert Lake, my executors, adminis-
,trators, and assigns, or such others as I, the said William Robert
Lake, my executors, administrators, and assigns, should at any time
agree with, and no others, from time to time and at all times there-
after 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 "AN IMPROVED BURNER FOR LAMPS AND OTHER ILLUMINATING APPARATUS," a
communication to me from abroad by Andrew Gormly Myers, of the
City and State of New York, United States of America, upon the con-
dition (amongst others) that I, the said William Robert Lake, 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 imme-
diately after the date of the said Letters Patent.
NOW KNOW YE, that I, the said William Robert Lake, do hereby
declare the nature of the said Invention, and in what manner the
same is to be performed, to be particularly described and ascertained
in and by the following statement, reference being had to the accom-
panying Drawing forming a part of this Specification :—
This Invention relates to a burner of novel construction to be applied
to lamps and other vessels or apparatus for burning petroleum spirit or
other hydrocarbon liquid, and is designed to supply the means whereby
the spirit or liquid will be converted into gas, and the same consumed
as it escapes from the said burner with a pure, soft, and white flame.

page_text: The said burner consists of two tubes a, b. The tube a is provided
with a screw cap c, whereby it is attached to the lamp or other apparatus,
while the other tube 6 is fitted to slide upon the first-mentioned tube a.
This sliding tube 6 is closed at its upper end, but at a slight distance
therefrom it is perforated with very small holes d, about the diameter of
the small end of a fine sewing needle. Just below these small holes the
said tube has a wide flange or rim e, preferably saucer shaped or dished,
and whose upper edge e¹ is level or nearly so with the aforesaid small
holes d. The length of the two tubes a, b, is such that when the sliding
tube 6 is in its lowest position upon the fixed tube a the upper end a¹ of
the latter will be a slight distance below the small holes or perforations d
in the said sliding tube as shown in Figure 1in dotted lines.

page_text: 5
perforated with very fine or small holes for the emission of gas, and
formed with a collar or flange below the said holes, as herein set
forth.
In witness whereof, I, the said William Robert Lake, have here-
unto set my hand and seal, this Twenty-third day of July, in
the year of our Lord One thousand eight hundred and seventy-
two.
Witness,
CHAS. J. GOOCH.
WM. ROBT. LAKE. (L.S.)