IMPROVEMENTS IN PREPARING THE SURFACES OF CHINA, GLASS, OR EARTHENWARE TO RECEIVE METALLIC DEPOSITS BY ELECTRO- CHEMICAL ACTION
Year: 1874

page_text: LETTERS PATENT to William Morgan-Brown, of the Firm of Brandon
and Morgan-Brown, Engineers and Patent Agents, of 38, South-
ampton Buildings, London, and 13, Rue Gaillon, Paris, for the
Invention of "IMPROVEMENTS IN PREPARING THE SURFACES OF CHINA,
GLASS, OR EARTHENWARE TO RECEIVE METALLIC DEPOSITS BY ELECTRO-
CHEMICAL ACTION.”—A communication from abroad by Eilev Hansen,
of Roadhusstroede, Copenhagen.
Sealed the 12th February 1875, and dated the 15th September 1874.
PROVISIONAL SPECIFICATION left by the said William Morgan-
Brown at the Office of the Commissioners of Patents, with his
Petition, on the 15th September 1874.
I, WILLIAM MORGAN-BROWN, of the Firm of Brandon and Morgan-
3 Brown, Engineers and Patent Agents, of 38, Southampton Buildings,
London, and 13, Rue Gaillon, Paris, do hereby declare the nature of the
said Invention for "IMPROVEMENTS IN PREPARING THE SURFACES OF CHINA,

page_text: GLASS, OR EARTHENWARE TO RECEIVE METALLIC DEPOSITS BY ELECTRO-CHEMICAL
ACTION," to be as follows:
-
This Invention for improvements in preparing the surfaces of china,
glass, or earthenware to receive metallic deposits by electro-chemical
action consists in making the surface of objects such as are composed of
china, glass, or earthenware in a fit state to conduct electricity so that
the desired metallic deposit may be made upon them, and caused to
adhere as firm as the strength and the metal allows. For this purpose I
dissolve sulphur in oil of spike (lavendula spica) till the solution has a
treacle-like consistence; in the same way chloride of gold or platina is
dissolved in sulphuric ether. The two solutions are then mixed together
by gently warming them, and the solution evaporated to the consistence
of painters' colours. The composition thus produced is pencilled on the
objects, and the articles are fired in the usual way. In the kiln the tincture
acquires a shining metallic surface, which conducts the electricity in
such a manner that the metals deposited on it by electro-chemical action
adhere very firmly to the vessel.
Although I have mentioned the chlorides of gold and platina as most
suitable, other solutions of gold or platina may be used that will by
chemical means be precipitated in the metallic form on the objects, and
that will endure the firing without losing the property of conducting the
electricity.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said William Morgan-Brown in the Great Seal Patent
Office on the 15th March 1875.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, WILLIAM
MORGAN-BROWN, of the Firm of Brandon and Morgan-Brown, Engineers
and Patent Agents, of 38, Southampton Buildings, London, and 13, Rue
Gaillon, Paris, send greeting.
2
WHEREAS Her most Excellent Majesty Queen Victoria, by Her a
Letters Patent, bearing date the Fifteenth day of September, in the
year of our Lord One thousand eight hundred and seventy-four, in
the thirty-eighth year of Her reign, did, for Herself, Her heirs and suc-
cessors, give and grant unto me, the said William Morgan-Brown, Her

page_text: .
special license, that I, the said William Morgan-Brown, my executors,
administrators, and assigns, or such others as I, the said William Morgan-
Brown, 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 Ohannel Islands, and Isle of Man, an Invention for
“IMPROVEMENTS IN PREPARING THE SURFACES OF CHINA, GLASS, OR EARTHENWARD
TO RECEIVE METALLIC DEPOSITS BY ELECTRO-CHEMICAL ACTION," upon the
condition (amongst others) that I, the said William Morgan-Brown,
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 the said William Morgan-Brown, do hereby
declare the nature of the 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, that is to say :-
This Invention of improvements in preparing the surfaces of china,
glass, or earthenware to receive metallic deposits by electro-chemical
action consists in preparing the surface upon which the metallio deposit
is to be made, whether that surface be china, glass, earthenware, terra
cotta, or other analogous material, with a deposit of gold or platina,
which then forms the conducting surface for depositing any suitable or
desired metal by electro-chemical action. I take sulphur and dissolve it
in oil of spike (lavender spicula) till I get a solution the thickness of
common treacle; I also prepare a solution of chloride of gold or chloride
of platina in sulphuric ether. The solution of sulphur and the solution
of either gold or platina is then mixed together, and by a gentle heat
evaporated till the solutions become of the thickness of painters'
colours. This composition is then painted or pencilled on the objects,
and the articles are then placed in a potter's kiln or suitable furnace.
The solution now becomes a perfect metallic surface incorporated with
the china, glass, or earthen substance, and on this surface the metal
required is deposited by electro-chemical action,

page_text: WILLIAM MORGAN-BROWN. (L.S.)