IMPROVEMENTS CONNECTED WITH THE PROCESS OF COATING STEEL, IRON, AND CAST IRON WITH GOLD, SILVER, AND OTHER METALS OR ALLOYS." , METALS OR ALLO
Year: 1874

page_text: LETTERS PATENT to Jacob Baynes Thompson, of Whitehall, Wrays-
•
bury, in the County of Bucks, for the Invention of "IMPROVEMENTS
CONNECTED WITH THE PROCESS OF COATING STEEL, IRON, AND CAST IRON WITH
GOLD, SILVER, AND OTHER METALS OR ALLOYS."
GOLD, SILVER, AND OTHER METALS OR ALLOYS."
"
Scaled the 3rd November 1874, and dated the 4th September 1874.
PROVISIONAL SPECIFICATION left by the said Jacob Baynes Thompson
at the Office of the Commissioners of Patents, with his Petition, on
the 4th September 1874.
I, JACOB BAYNES THOMPSON, of Whitehall, Wraysbury, in the County
of Bucks, do hereby declare the nature of the said Invention for
"IMPROVEMENTS CONNECTED WITH THE PROCESS OF COATING STEEL, IRON, AND CAST
IRON WITH GOLD, SILVER, AND OTHER METALS OR ALLOYS," to be as follows:-
'
The prevent Invention relates to improvements upon a former Inven-
tion patented by me on the 14th day of August 1868, No. 2545, and
consists in a mode of protecting the articles to be coated on their passage
from the cleaning vat" to the "plating vat."
For this purpose
"
I place in the "cleaning vat" a plate of aluminium, or aluminium

page_text: in other form, the effect of which is simultaneously with the cleaning of
the article to be coated to deposit a thin film of aluminium upon it,
such film serving to protect the surface of the article against oxidation
on its passage from the "cleaning vat" to the "plating vat."
In some cases, in order to enable the operator readily to see whether i
the aluminium film has been properly applied, I, instead of using pure
aluminium, employ aluminium very slightly alloyed, by which means a
color very similar to "French white" is produced on the article.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JACOB
BAYNES THOMPSON, of Whitehall, Wraysbury, in the County of Bucks,
'send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Fourth 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 successors, give
and grant unto me, the said Jacob Baynes Thompson, Her special license
that I, the said Jacob Baynes Thompson, my executors, administrators,
and assigns, or such others as I, the said Jacob Baynes Thompson, 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
CONNECTED WITH THE PROCESS OF COATING STEEL, IRON, AND CAST IRON WITH GOLD,
SILVER, AND OTHER METALS OR ALLOYS," upon the condition (amongst others)
that I, the said Jacob Baynes Thompson, 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 Scal Patent Office within

page_text: six calendar months next and immediately after the date of the said
Letters Patent.
NOW KNOW YE, that I, the said Jacob Baynes Thompson, 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:
The present Invention relates to improvements upon a former Inven-
tion patented by me on the 14th day of August 1868, No. 2545, and
consists in a mode of protecting the articles to be coated on their passage
from the "cleaning vat" to the "plating vat."
For this purpose I
place in the "cleaning vat" a plate of aluminium, or aluminium in
other form, the effect of which is simultaneously with the cleaning of
the article to be coated to deposit a thin film of aluminium upon it, such
film serving to protect the surface of the article against oxidation or
becoming chemically foul on its passage from the "cleaning vat" to the
plating vat."
CE
In some cases, in order to enable the operator readily to see whether
the aluminium film has been properly applied, I, instead of using pure
aluminium, employ aluminium very slightly alloyed, by which means a
color very similar to "French white" is produced on the article.
Having thus described the nature of my said Invention, and the mode
in which I carry the same into effect, I would have it understood that
what I claim as my Invention is, the mode of protecting the articles to
be coated with gold, silver, or other metals or alloys on their passage
from the "cleaning vat" to the "plating vat" by depositing thereon a
thin film of either pure aluminium or alumínium very slightly alloyed,
substantially as herein described.
In witness whereof, I, the said Jacob Baynes Thompson, have
hereunto set my hand and seal, this 26th day of February, in
the year of our Lord One thousand eight hundred and seventy-
five.