IMPROVEMENTS IN THE PRODUCTION OF CARBONS FOR INCANDESCENT ELECTRICAL ILLUMI- NATION
Year: 1882

page_text: LETTERS PATENT to Frederick Simeon Isans of Queen's Gate Gardens in
the County of Middlesex Merchant for an Invention of " IMPROVEMENTS
IN THE PRODUCTION OF CARBONS FOR INCANDESCENT ELECTRICAL ILLUMI-
NATION." Communicated to him from abroad by Sir Julius Vogel whilst on
his voyage to Australia,
PROVISIONAL SPECIFICATION left by the said Frederick Simeon Isaac at
the Office of the Commissioners of Patents on the 27th June 1882.
FREDERICK SIMEON ISAAC of Queens Gate Gardens in the County of Middlesex
Merchant "IMPROVEMENTS IN THE PRODUCTION OF CARBONS FOR INCANDESCENT
ELECTRICAL ILLUMINATION A communication to me from abroad by Sir Julius
Vogel whilst on his voyage to Australia.
This Invention relates to the production of carbons capable of being employed
in what are known as Incandescent Electrical Lights and it consists in preparing
for such purpose the fibre of what is known as Rubus Australis Parsona Lygodium
or commonly as Supple Jack when occurring in New Zealand.
The fibres having been freed from impurity may be employed when carbonised
in Incandescent Lamps and the system or method of carbonization to which I prefer
they should be subjected may be any of those now generally adopted vist :-by
heating with carbon or otherwise as is well understood.
The fibre thus carbonized is then capable of being employed in Incandescent
Lamps in a manner similar to that now generally adopted with other carbons.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said Frederick Simeon Isaac in the Great Seal Patent Office on the
23rd December 1882.
FREDERICK SIMEON ISAAC of Queen's Gate Gardens in the County of Middlesex
Merchant "IMPROVEMENTS IN THE PRODUCTION OF CARBONS FOR INCANDESCENT
ELECTRICAL ILLUMINATION." A communication to me from abroad by Sir Julius
Vogel whilst on his voyage to Australia
This Invention relates to the production of carbons capable of being employed
in what are known as Incandescent Electrical Lights and it consists in preparing
for such purpose the fibre of what is known as Rubus Australis Parsona Lygodium
or commonly as Supple Jack when occurring in New Zealand.
The fibres having been freed from impurity are to be treated and carbonised.
The system or method of treatment and carbonization to which they are subjected
may be any of those now generally adopted, viz:-by heating with carbon or
otherwise as is well understood.
The fibre thus carbonized is then capable of being employed in Incandescent
lamps in a manner similar to that now generally adopted with other Carbons.
Having now described and particularly ascertained the nature of the said
Invention and the manner in which the same is or may be used or carried into
effect I would observe in conclusion that what I consider to be novel and original
and therefore claim as the Invention secured to me by the hereinbefore in part
recited Letters Patent is :-
The manufacture of carbons for Incandescent Electric Lamps consisting in
treating the fibre of what is known as Rubus Australis, Parsona, Lygodium or
Supple Jack, substantially as hereinbefore described.
In witness whereof I the said Frederick Simeon Isaac have to this my
Specification set my hand and seal this Fourteenth day of December
One thousand eight hundred and eighty-two.
REDERICK S TSAAC 101