A Cleaning and Polishing Powder for Metals.
Year: 1888

page_text: Complete Specification Left 28th Aud
Date of Application, 28th Nov., 1888
1889-Accented 12th Oct
1889
PROVISIONAL SPECIFICATION.
A Cleaning and Polishing Powder for Metals.
I, JOHN EDWARD STORER of Shirecliffe Lane, Sheffield, in the County of York
Manufacturer do hereby declare the nature of this invention to be as follows:-
This invention is for an improved preparation or composition for cleaning and
polishing Gold, Silver, Electro-plate and other like goods and articles and it is
intended to be used as a powder. The object of the invention is to produce a
preparation that will not only give an exquisite polish to such goods as those before-
mentioned, but will prevent oxidation or discolouration for a much longer time than
usual.
It consists of a mixture or combination of a specially prepared lime and a smaller
proportion of rouge.
In carrying out my invention, I use carefully selected limestone that from
Warmsworth Cliffs being most suitable for the purpose, this is afterwards burnt and
the hard and outside surface carefully chipped off, the lime so prepared is ground
or pulverised to an impalpable powder which is afterwards passed through fine
sieves.
When the Lime is put into the Grinding Mill or other pulverising machine I also
put in with it a quantity of rouge-in the proportion of 1 part rouge to 140 parts of
lime or thereabouts so that during the process of grinding the two substances get
thoroughly mixed and incorporated together. This powder so combined and prepared
is ready for use.
Although I have given the proportions that I find most suitable in actual use, [
wish it to be understood that I do not limit myself to such proportions as they may be
varied more or less with a satisfactory result.
Dated the 27th day of November 1888.
ROBT. F. DRURY,
Agent for the Applicant.
COMPLETE SPECIFICATION.
A Cleaning and Polishing Powder for Metals.
I, JOHN EDWARD STORER of Shirecliffe Lane, Sheffield in the County of York,
Manufacturer, do hereby declare the nature of this invention and in what manner
the same is to be performed, to be particularly described and ascertained in and by
the following statement :-
This invention is for an improved preparation or composition for cleaning and
polishing Gold, Silver, Electroplated goods and other like goods and is used in the
form of a powder.
The preparation made according to this invention will not only give an exquisite
polish to the goods cleaned by its use but will prevent oxidation or discolouration for
a much longer period than is usual, or when such goods are cleaned by ordinary
preparations.
It consists of a mixture or combination of a specially prepared lime, with a smaller
proportion of rouge.
In carrying out my invention in the production of the improved polishing powder,
I use carefully selected limestone, preferably the special quality found at Warms-
worth Cliffs, on account of its peculiar freedom from deleterious and gritty substances,
rendering it most suitable for this purpose; this lime is afterwards burnt and the
outside calcined part, and any other hard or otherwise unsuitable portions are chipped
off, great care being taken to retain only that which is clear from grit and of great
softness.

page_text: The lime so prepared is ground or pulverised to an impalpable powder which is
afterwards passed through fine sieves to thoroughly cleanse it from all foreign
matter.
When the lime
put into the grinding mill pulverising apparatus, or disintegrator,
I also put with it a certain quantity of rouge; say in the proportion of one part of
rouge to one hundred and forty parts of lime or thereabouts, so that during the
process of grinding, the two substances are thoroughly mixed, and become incorporated
together.
The powder so constituted and prepared is ready for use; but I wish it to be
understood that although I find the proportions given to be most suitable, I do not
limit my invention to such proportions or relative quantities, as they may be varied
more or less and give a fairly good result.
Having now particularly described and ascertained the nature of my said inven-
tion, and in the manner in which it is to be performed, I declare that what I
claim is
A cleaning and polishing powder, consisting of a combination of specially pre-
pared lime, with a proportion of rouge, say 1 part rouge, to 140 parts powdered lime
or thereabouts, as hereinbefore described or specified.
1000
ROBT. F. DRURY, Fel. Inst. P.A.,
Bank Buildings, George Street, Sheffield, Agent for Applicant.