AN IMPROVEMENT IN TELEGRAPHIC INSULATORS, AND IN CAPS OR SHIELDS
Year: 1867

page_text: LETTERS PATENT to John Crisp Fuller, of Bow, in the County of
Middlesex, Electrician and Telegraph Engineer, for the Invention of
"AN IMPROVEMENT IN TELEGRAPHIC INSULATORS, AND IN CAPS OR SHIELDS:
"AN IMPROVEMENT IN TELEGRAPHIC INSULATORS, AND IN CAPS OR SHIELDS.
FOR THE SAME."
Sealed the 29th November 1867, and. dated the 11th June 1867.
o SPECIFICATION in pursuance of the conditions of the Letters Patent, filed.
by the said John Crisp Fuller in the Great Seal Patent Office on the..
11th December 1867.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOHN CRISP
FULLER, of Bow, in the County of Middlesex, Electrician and Telegraph.
5 Engineer, send greeting.

page_text: WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Eleventh day of June, in the year of our Lord One
thousand eight hundred and sixty-seven, in the thirtieth year of Her reign, did,
for Herself, Her heirs and successors, give and grant unto me, the said John
Crisp Fuller, Her special licence that I, the said John Crisp Fuller, my
executors, administrators, and assigns, or such others as I, the said John Crisp
Fuller, my executors, administrators, and assigns, should at any time agree
with, and no others, from time to time and 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 TELEGRAPHIC
INSULATORS, AND IN CAPS OR SHIELDS FOR THE SAME," upon the condition (amongst
others) that I, the said John Crisp 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 Crisp Fuller, do hereby declare
the nature of my 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, reference being had to the accompanying Drawings, that is
to say:
My Invention consists in making porcelain or other insulators and the iron
or other caps or shields for the same with perforations or apertures.
The annexed Drawings represent an insulator, the cap or shield of which is
made with apertures.
Figure 1 is an elevation; Figure 2 is a similar elevation at right angles to
Figure 1 and Figure 3 a central vertical section.
A is the insulator of porcelain or other material; B is the cap or shield of
iron or. other material; this cap or shield is made with apertures b, b, as
shown; it may be secured to the cap A in any ordinary manner. C is the
rod on which the insulator A is 'mounted; D, D, are the lugs or projections to
which the wires are attached. The 'apertures b, b, allow the wind to pass
through the cap B and to come in contact with the insulator A. The number,
size, and form of the apertures b, b, may be variously modified. I have not
shown the insulator A as 'being formed with apertures or perforations. The
improvement will be readily understood by the foregoing description. Both

page_text: the insulator A and the cap B may be formed with the apertures or either of
them.
And having now described the nature of my said Invention, and in what
manner the same is to be performed, I declare that I claim,-
First, making porcelain or other insulators with perforations or apertures,
as herein-before described.
Second, making the caps or shields of insulators with perforations or
apertures, as herein-before described.
In witness whereof I, the said John Crisp Fuller, have hereunto set my
hand and seal, this Eleventh day of December, in the year of our
Lord One thousand eight hundred and sixty-seven.
JNO. C. FULLER. (L.S.)