IMPROVEMENTS IN THE MANUFACTURE OF WIRE
Year: 1853

page_text: LETTERS PATENT to John Davie Morries Stirling, of the Larches,
near Birmingham, in the County of Warwick, for the Inven-
PROVISIONAL SPECIFICATION left by the said John Davie Morries
Stirling, at the Office of the Commissioners of Patents, with his
Petition, on the 21st February 1858.
I, JOHN DAVIE MORRIES STIRLING, of the Larches, near Birmingham,
in the County of Warwick, do hereby declare the nature of the
said Invention for "IMPROVEMENTS IN THE MANUFACTURE OF WIRE" to be
as follows:-
This Invention has for its object the manufacture of wire from zinc
and its ductile alloys, coated with tin or its ductile alloys, and the
manufacture of zinc and its ductile alloys, coated with silver and
suitable alloys. And the same may be carried into effect by causing
the zinc or its alloys to be first coated on all sides and then drawn
into wire, or by applying the coating during the time of between the

page_text: times of drawing the wire. And when silver is to be the coating metal,
a convenient mode of proceeding is to coat the zinc on all sides with
silver by pressure, or to fill a tube of silver with zinc or its ductile
alloy and then to draw the same into wire.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said John Davic Morries Stirling, in the Great Seal
Patent Office, on the 19th August 1853.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I,
JOHN DAVIE MORRIES STIRLING, of the Larelics, near Birmingham,
in the County of Warwick, Esquire, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Twenty-first day of February, in the
year of our Lord One thousand eight hundred and fifty-three, in the
sixteenth year of Her reign, did for Herself, Her heirs and successors,
give and grant unto me, the said John Davic Morrics Stirling, Her
special licence that I, the said John Davie Morrics Stirling, my
executors, administrators, and assigns, or such others as I, the said
John Davie Morries Stirling, 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 King-
dom of Great Britain and Ireland, the Channel Islands, and Isle of
Man, an Invention for "IMPROVEMENTS IN THE MANUFACTURE OF WIRE,"
upon the condition (amongst others) that I, the said John Davie Morrics
Stirling, by an instrument in writing under my hand and seal, 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 Davie Morries Stirling, do
hereby declare the nature of the said Invention, and in what manner
the same is to be performed, to be particularly described and ascer-
tained in and by the following statement thereof (that is to say):

page_text: This Invention has for its object the manufacture of wire from zinc
and its ductile alloys, coated with tin or its ductile alloys, and the
manufacture of zinc and its ductile alloys, coated with silver and suit-
able alloys. And the same may be carried into effect by causing.the.
zinc or its alloys to be first coated on all sides, and then drawn into a
wire, or by applying the coating during the time or between the times
of drawing the wire. And when silver is to be the coating metal, a
convenient mode of proceeding is to coat the zinc on all sides with
silver by pressure, or to fill a tube of silver with zinc or its ductile
alloy, and then to draw the same into wire.
Having thus described the nature of my Invention, I will proceed
to describe the manner in which I perform the same. I would; how-
ever, remark, that the means of producing the new manufactures of
wire may be varied without departing from my Invention, which
consists of making wire of zinc or its ductile alloys, coated with tin or
its ductile alloys, and also of making wire of zinc or its ductile alloys,
coated with silver or any alloy of silver.
Supposing wire is to be made of zinc or its ductile alloys, and
coated with tin or an alloy of tin, I proceed as follows:-I take a
rod of zinc, or of ductile alloy of zinc, the surfaces of which are to be
perfectly clean, and I pass the same through a bath of melted tin, or
a suitable alloy of that metal, the surface of the melted metal being
covered with fatty matter, or other suitable material, as is well under-
stood. And I prefer that the rod so coated should be cylindrical; and
when the diameter of the rod is considerably larger than the intended
wire, I find it desirable to employ grooved rollers, before proceeding
to draw the rod into wire by dies. And I may remark, that the
of making or drawing such coated wire is the same as when making
wire from zinc, or one of its alloys, uncoated; or rods of zinc or its
alloys may be coated with tin or its ductile alloys on all sides by
pressure, as was described in the Specification of a former Patent
granted to me, and which is now well known, in which case I prefer
a square rod; or the coating may be applied in other ways, and then
drawn into wire; and in like manner, by pressure, the sides of a rod of
zinc or its alloys may be coated with silver or an alloy of silver, and
process

page_text: drawn into wire, or a tube of silver or of its alloys, may be used filled,
by pouring in melted zinc, or a ductile alloy of that metal, and such
coated rod may then be drawn into wire, as when drawing zinc into
wire.
In witness whereof, I, the said John Davie Morries Stirling, have
hereunto set my hand and seal, this Seventeenth day of August
in the year of our Lord One thousand eight hundred and
fifty-three.
J. D. MORRIES STIRLING. (L.S.)
Witness, JNO. ALCOCK.