CERTAIN IMPROVEMENTS IN THE MANUFACTURE OF LAMPS
Year: 1875

page_text: LETTERS PATENT to Joseph Lucas, of Birmingham, in the County
of Warwick, for the Invention of "CERTAIN IMPROVEMENTS IN THE
MANUFACTURE OF LAMPS."
Sealed the 25th February 1876, and dated the 28th August 1875.
PROVISIONAL SPECIFICATION left by the said Joseph, Lucas at the
Office of the Commissioners of Patents, with his Petition, on the
28th August 1875.
I, JOSEPH LUCAS, of Birmingham, in the County of Warwick, do
hereby declare the nature of the said Invention for "CERTAIN IMPROVE-
MENTS IN THE Manufacture of LAMPS,” to be as follows :—
My Invention of "Certain Improvements in the Manufacture of
Lamps" relates to the mode of constructing them in a portable manner,
so that in case of a breakage of one part that part may be disengaged for
repair; hitherto they have been constructed permanently by riveting
or soldering.

page_text: 39
In carrying out my Invention I employ the forms "A," one of which
is shewn detached; "6" is a cap or receptacle securely attached to the
galleries "C," into which the ends of the forms "A" are placed, as
shewn at "d;" " с is a ring having a screw joint attached there; when
are placed in the caps or receptacle "b" the
ring C " is passed over or round, finding its seat in the indentations "f,"
and then securely bound together by means of the screw joint “g.” .
the said forms "A
"
"
rr
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Joseph Lucas in the Great Seal Patent Office
on the 28th February 1876.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOSEPH
Lucas, of Birmingham, in the County of Warwick, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Twenty-eighth day of August, in the
year of our Lord One thousand eight hundred and seventy-five, in the
thirty-eighth year of Her reign, did, for Herself, Her heirs and suc-
cessors, give and grant unto me, the said Joseph Lucas, Her special
licence that I, the said Joseph Lucas, my executors, administrators,
and assigns, or such others as I, the said Joseph Lucas, 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 "CERTAIN
IMPROVEMENTS IN THE MANUFACTURE OF LAMPS," upon the condition
(amongst others) that I, the said Joseph Lucas, 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.
NOW KNOW YE that I the said. Joseph Lucas, do hereby declare

page_text: be performed, to be particularly described and ascertained in and by
the following statement, that is to say:-
My Invention of certain improvements in the manufacture of lamps
relates to the mode of constructing them in a portable manner, so that
in case of a breakage of one part that part may be disengaged for repair;
hitherto they have been constructed permanently by riveting or
soldering.
The accompanying Drawing is an illustration of my Invention.
ઃઃ
In carrying out my Invention I employ the forms " A," one of which
is shewn detached, to the galleries
66 C," into which the ends of the
forms "A" are placed, as shewn at d;" e" is a ring having a screw
joint attached thereto; when the said forms "A" are placed in the
caps or receptacles "b" the ring "C" is passed over or round, finding
its seat in the indentations "f" and then securely bound together by
means of the screw joint "g."
Having thus described the nature and object of my said Invention,
I declare that what I claim and desire to be secured to me by the
herein-before in part recited Letters Patent is, the improvements in the
manufacture of lamps as herein-before described, and as shewn on the
Drawings, or any mere modification thereof.
'
In witness whereof, I, the said Joseph Lucas, have hereunto
set my hand and seal, this Twenty-sixth day of February, in
the year of our Lord One thousand eight hundred and seventy-
six.
Vitness,
THOMAS KENDRICK.
JOSEPH LUCAS. (L.S.)