IMPROVEMENTS IN LAMP BURNERS FOR BURNING PETROLEUM AND OTHER MINERAL OR VEGETABLE OILS
Year: 1875

page_text: LETTERS PATENT to John Garrett Tongue, of the Firm of Tongue
and Birkbeck, Patent Agents and Engineers, of 34, Southampton
Buildings, Chancery Lanc, in the County of Middlesex, for the
Invention of "IMPROVEMENTS IN LAMP BURNERS FOR BURNING PETROLEUM
AND OTHER MINERAL OR VEGETABLE OILS." A communication from
abroad by Gustave Stobwasser, of Berlin, in the Empire of
Germany.
PROVISIONAL SPECIFICATION left by the said John Garrett Tongue
at the Office of the Commissioners of Patents, with his Petition, on
the 13th April 1875.
I, JOHN GARRETT TONGUE, of the Firm of Tongue and Birkbeck,
6 Patent Agents and Engineers, of 34, Southampton Buildings, Chancery
Lane, in the County of Middlesex, do hereby declare the nature of the
said Invention for "IMPROVEMENTS IN Lamp BURNERS FOR BURNING PETROLEUM
AND OTHER MINERAL OR VEGETABLE OILS," to be as follows:-
This Invention relates to a new or improved arrangement of a circular

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said John Garrett Tongue in the Great Seal Patent
Office on the 12th October 1875.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOHN
GARRETT TONGUE, of the Firm of Tongue and Birkbeck, Patent Agents
and Engineers, of 34, Southampton Buildings, Chancery Lane, in the
County of Middlesex, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Thirteenth day of April, in the year
of our Lord One thousand cight hundred and seventy-five, in the
thirty-eighth year of Her reign, did, for Herself, Her heirs and succes-
sors, give and grant unto me, the said John Garrett Tongue, Her special
licenso that I, the said John Garrett Tongue, my executors, admini-
strators, and assigns, or such others as I, the said John Garrett
Tongue, 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 Britam
and Ireland, the Channel Islands, and Isle of Man, an Invention for
"IMPROVEMENTS IN LAMP BURNERS FOR BURNING PETROLEUM AND OTHER MINERAL
OR VEGETABLE OILS," a communication to me from abroad by Gustave
Stobwasser, of Berlin, in the Empire of Germany, upon the condition
(amongst others) that I, the said John Garrett Tongue, my executors
or administrators, by an instrument in writing under my, or their, or
one of their hands and scals, 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.
NOW KNOW YE, that I, the said John Garrett Tongue, 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 thereof, that is to say :-
This Invention relates to a new or improved arrangement of a circular
or tubular lamp burner and apparatus for burning petroleum, schist, and
other similar mineral oils or "essences," This improved arrangement

page_text: Having thus described the nature of the Invention, and the manner
of performing or carrying the same into practice, what I claim on behalf
of the said Gustavo Stobwasser is, the improved arrangement and con-
struction of lamp burners in which a screw or worm c is employed to
actuate the pinions or lifters e for raising or lowering the wick d, sub-
stantially in the manner and for the purpose herein-before described and
represented in the Drawing hereunto annexed.
In witness whereof, I, the said John Garrett Tongue, have here-
unto set my hand and seal, this Twelfth day of October, in the
year of our Lord One thousand eight hundred and seventy-five.