AN IMPROVEMENT IN TREATING INDIA- RUBBER USED ON A WIRE OR WIRES FOR INSULATING THE SAME
Year: 1862

page_text: LETTERS PATENT to, John Fuller, of Bishopsgate Street, in the City of
Loudon, Telegraph Engineer, in the Employment of Messieurs Silver and
Company, for the Invention of "AN IMPROVEMENT IN TREATING INDIA-
RUBBER USED ON A WIRE OR WIRES FOR INSULATING THE SAME."
Sealed the 13th April 1868, and dated the 18th October, 1862..
PROVISIONAL SPECIFICATION left by the said John Fuller at the Office
of the Commissioners of Patents, with his Petition, on the 18th October
1862.
I, JOHN FULLER, of Bishopsgate Street, in the City of London, Telegraph
Engineer, in the Employment of Messieurs Silver and Company, do hereby
declare the nature of the said Invention for "AN IMPROVEMENT IN TREATING
INDIA-RUBBER USED ON A WIRE OR WIRES FOR INSULATING THE SAME," to be as
follows:
My Invention consists in treating india-rubber after it has been placed on a
wire or wires to insulate the same for electric telegraph purposes, by first
applying thereon naphtha or other solvent, then powdering or otherwise
applying sulphur, and exposing the rubber so treated to heat in order, to

page_text: "cure" the same. Or before the curing more india-rubber may be applied on
the sulphured india-rubber, and the curing may be effected after the additional
india-rubber has been applied.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said John Fuller in the Great Seal Patent Office on the 18th
April 1863.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOHN
FULLER, of Bishopsgate Street, in the City of London, Telegraph Engineer, in
the Employment of Messieurs Silver and Company,-send-greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Eighteenth day of October, in the year of our
Lord One thousand eight hundred and sixty-two, in the twenty-sixth year
of Her reign, did, for Herself, Her heirs and successors, give and grant unto
me, the said John Fuller, Her special licence that I, the said John
Fuller, my executors, administrators, and assigns, or such others as I, the
said John Fuller, 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 "AN IMPROVEMENT
IN TREATING INDIA-RUBBER USED ON A WIRE OR WIRES FOR INSULATING THE SAME,"
upon the condition (amongst others) that I, the said John Fuller, 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 John Fuller, do hereby declare the
nature of my said Invention, and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement thereof, that is, to say:
My Invention consists in treating india-rubber after it has been placed on a
wire or wires to insulate the same for electric telegraph purposes, by first
applying thereon naphtha or other' solvent, water, or other matter that will

page_text: render the surface of the rubber covering damp or adhesive, then powdering
or otherwise applying sulphur, and exposing the rubber so treated to heat in
order to "cure" the same. Or before the curing more india-rubber may be
applied on the sulphured india-rubber, and the curing may be effected after
the additional india-rubber has been applied.
In witness whereof, I, the said John Fuller, have hereunto set my hand
and seal, this Eighteenth day of April, One thousand eight hundred
and sixty-three.
JNO. FULLER. (L.S.)