IMPROVEMENTS IN THE CONSTRUCTION OF CHAINS FOR CHAIN CABLES AND OTHER PURPOSES
Year: 1872

page_text: LETTERS PATENT to Claude Martin, of Great. Winchester Street, in
the City of London, Patent Anchor Manufacturer, for the Invention
of "IMPROVEMENTS IN THE CONSTRUCTION OF CHAINS FOR CHAIN CABLES AND
OTHER PURPOSES."
Sealed the 25th February 1873, and dated the 31st August 1872.
PROVISIONAL SPECIFICATION left by the said Claude Martin at the
Office of the Commissioners of Patents, with his Petition, on the
31st August 1872.
I, CLAUDE MARTIN, of Great Winchester Street, in the City of
London, Patent Anchor Manufacturer, do hereby declare the nature of
the said Invention for "IMPROVEMENTS IN THE CONSTRUCTION OF CHAINS FOR
CHAIN CABLES AND OTHER PURPOSES," to be as follows:-
This Invention relates to a new and improved mode of forming or
constructing the links of chains and chain cables of wrought iron, the
link being made in one single piece of metal welded together at the
joint, which is of peculiar shape or form, and by which not only a far

page_text: better welding of the two ends is obtained than by the ordinary method
of welding the links of chains and chain cables, but also that great
tensile strength is given to the link at that point, so that chains and
cables made in accordance with my improvements will bear a greater
strain than heretofore without giving way either at the time of testing
or when in use.
The joint of each link of a chain or cable made in accordance with my
improvements may be described as being of an elongated zig-zag shape,
so that when the link is bent to its proper form the two ends fit exactly
into one another and are then welded together.
SPECIFICATION in pursuance of the conditions of the Letters Patent
filed by the said Claude Martin in the Great Seal Patent Office on
the 28th February 1873.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, CLAUDE
MARTIN, of Great Winchester Street, in the Oity of London, Patent
Anchor Manufacturer, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Thirty-first day of August, in the year
of our Lord One thousand eight hundred and seventy-two, in the thirty-
sixth year of Her reign, did, for Herself, Her heirs and successors,
give and grant unto me, the said Claude Martin, Her special licence
that I, the said Claude Martin, my executors, administrators, and
assigns, or such others as I, the said Claude Martin, 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 "IMPROVEMENTS.
IN THE CONSTRUCTION OF CHAINS FOR CHAIN CABLES AND OTHER PURPOSES,"
upon the condition (amongst others) that I, the said Claude Martin,
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
M

page_text: joints of the links of zig-zag form, so that the ends forming each link
may be capable of interlocking with each other before welding, sub-
stantially as herein-before described and shewn in the Drawing hereunto
annexed.
In witness whereof, I, the said Claude Martin, have hereunto set
stanmany as nerem-before described and shewn in the Drawing nereunto
annexed.
In witness whereof, I, the said Claude Martin, have hereunto set
my hand and seal, this Twenty-fifth day of February, in the year
of our Lord One thousand eight hundred and seventy-three.
Witness,
J. G. TONGUE,
Patent Agent,
34, Southampton Buildings.
Chancery Lane,
W.C.
C. MARTIN. (L.S.)