Improvements in the Manufacture of Artificial Stone, Tiles or the like.
Year: 1898

page_text: Date of Application, 21st Apr., 1898
Date of Application, 21st Apr., 1898
Complete Specification Left. 21st Feb., 1899-Accepted. 8th Apr., 1899
PROVISIONAL SPECIFICATION.
Improvements in the Manufacture of Artificial Stone, Tiles or the like.
We, GEORGE COLLINS LEVEY, C.M.G., of 7, Montague Villas, Richmond, in
the County of Surrey, and CLARENCE LUCIUS O'BRIEN, Gentleman, of 5, Temple-
ton Place, Earls Court, Kensington, in the County of London, do hereby declare
the nature of this invention to be as follows:-
This invention has for its object the manufacture of artificial stone, tiles or
the like and consists essentially in mixing with sand, sawdust, slate or stone
refuse or granules or the like, a suitable quantity of the hereinafter mentioned
ingredients and afterwards forming it in moulds to the required shape.
The ingredients we use are magnesia, or calcined magnesite, chloride of mag-
nesium, and oxide of zinc, or other paint or putting either as powders or mixed
as a paint or enamel, which we mix with sand, slate, stone refuse or granules
or the like and the requisite quantity of water.
:―
The following are proportions which we have found successful in practice, viz:-
Magnesia, or calcined magnesite
Chloride of magnesium
Oxide of zinc
-
Slate refuse or stone granules or the like
Water
-
49 parts.
49 parts.
2 parts.
800 parts.
300 parts.
The whole is thoroughly mixed and placed in moulds of the shape required
for the finished article and having on its face the required design.
Dated this 21st day of April 1898.
Improvements in the Manufacture of Artificial Stone, Tiles or the like.
We, GEORGE COLLINS LEVEY, C.M.G., of 7, Montague Villas, Richmond, in
the County of Surrey, and CLARENCE LUCIUS O'BRIEN, Gentleman, of 5, Temple-
ton Place, Earls Court, Kensington, in the County of London, 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 has for its object the manufacture of artificial stone, tiles or
the like, and consists essentially in mixing with sand, slate or stone refuse or
granules or the like, a suitable quantity of the hereinafter mentioned ingredients
and afterwards forming it in moulds to the required shape.

page_text: The ingredients we use are magnesia, or calcined magnesite, chloride of mag-
nesium, and oxide of zinc, or other paint or putty either as powders or mixed
as a paint or enamel, which we mix with sand, slate or stone refuse or granules
or the like and the requisite quantity of water.
The following are proportions which we have found successful in practice, viz:--
Magnesia, or calcined magnesite
Chloride of magnesium
Oxide of zinc
Slate or stone refuse or granules sand or the like
Water
49 parts.
49 parts.
2 parts.
800 parts
300 parts.
The whole is thoroughly mixed and placed in moulds of the shape required
for the finished article and having on its face the required design.
Having now particularly described and ascertained the nature of our said
invention and in what manner the same is to be performed, we declare that
what we claim is:-
:-
The manufacture of artificial stone, tiles or the like from the substances
named substantially according to the formula above given.
Dated this 21st day of February 1899.
WHEATLEY & MACKENZIE,
40, Chancery Lane, London, W.C., Agents.