Improvements in the Decoration or Ornamentation of Glass, Glass Tablets, and the like, or in the Production of Pictures or Designs: there
Year: 1896

page_text: Date of Application, 31st July, 1896-Accepted, 12th Sept., 1896
COMPLETE SPECIFICATION.
Improvements in the Decoration or Ornamentation of Glass, Glass
Tablets, and the like, or in the Production of Pictures or Designs:
thereon.
I, GEORGE WILLIAM WAGDIN, of 155 and 157 Dale Street, Liverpool, in the
County of Lancaster, Glass Merchant, 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 particular reference to the decoration or ornamentation of or
to the production of pictures or designs upon glass, glass tablets and the like such
as show tablets, advertising tablets, and sign or name tablets which are subsequently
silvered or gilded on the same side to form a back ground therefor. It may
however be employed in the ornamentation of glass or glass tablets for other
purposes for which it may be applicable either alone or in combination with the
ordinary silvering or gilding process above referred to or with any of the other;
existing methods of glass writing.
Hitherto in the decoration or ornamentation of these tablets or in the production
of pictures or designs thercon it has been customary to represent or depict the
design to be produced in oil colours or paints. This method has several marked
disadvantages in that considerable time is necessarily absorbed in the painting of
the design upon the tablet owing to the oil colours not readily drying. The desired.
results are consequently not obtained with the rapidity desirable. In addition to
this during the "firing" process or the process of burning the design on or in the
tablet when employed to permanently fix the same prior to the silvering or gilding
process the oil colours are materially affected and a yellowish hue is imparted to
the design due to the presence of the oil in the substances employed which
considerably detracts from the appearance of the finished article.
My invention is designed with the object of overcoming these several difficulties
and defects.
It consists in the employment of water colours or pigments in substitution for the
oil colours and in the general process or method of shading, tinting and illuminating
the tablets by which the desired results are obtained.
In order that the invention may he clearly comprehended I will describe the
production of a tablet according to my invention.
A sheet or tablet of preferably plate, sheet or crown glass of any desired size or
dimensions is taken and the outline of the design to be depicted is traced or marked
out thereon. The shading colour is then painted or otherwise laid on in a suitable
neutral tint in water colour and is subsequently fixed or fastened by a solution of
gum, size or other agglutinant or adhesive material. This sizing I prefer to
perform as a second or distinct operation but it will be obvious that the gum or
other material might be incorporated with the water colour or pigment. When
this shading colour has dried the lights or parts not in shade and gradations
are picked out or worked up by means of an ordinary hog hair or other suitable
brush or appliance and the design again fixed or fastened by any ordinary and
suitable transparent varnish or size. After this coating of varnish has been
allowed to set the design is then coloured or tinted with water colour pigments and
then illuminated if and where desired with gold leaf, silver leaf, aluminium or the
like. The whole is now backed up by a final coating or coatings of a suitable

page_text: transparent varnish so as to resist the action of any chemicals or substances that
may be employed in the silvering, gilding or other process that may be requisite to
complete the tablet. It will be evident that these several treatments to which the
tablet is subjected may be followed one after the other without anything approaching
the expenditure or waste of time now experienced through oil colours being
employed. After this final varnishing the tablet may or may not as desired be
"fired" in a stove or in any other ordinary or suitable manner to hurn the design.
on or in the tablet and it is then ready for the silvering, gilding or any other
process to which it may be desired. to subject it. The tablets may be of any shape
or contour and when completed may be mounted in a frame or casing.
Having now particularly described and ascertained the nature of the said
invention and in what manner the same is to be performed I declare that
what I claim is :-
1. In the decoration or ornamentation of glass, glass tablets and the like or in
the production of pictures or designs thereon the employment of water colour or
pigments in substitution for oil colours in the manner substantially as herein set
forth.
2. The process of decorating or ornamenting glass, glass tablets and the like
which consists in tracing on the tablet the design to be depicted, applying the
shading colour in neutral tint in water colour, fixing by a solution of gum or size,
picking out the lights or parts not in the shade, applying a further coating of a
transparent varnish or size, colouring or tinting with water colours, illuminating
by gold leaf, silver leaf, aluminium or the like, again varnishing to resist any
chemical action during the silvering or other similar process, and firing if desired
to permanently fix the design thereon either with or without a subsequent process
of silvering, gilding or the like to form a back ground for the whole substantially
in the manner herein set forth.
...
ليوم
1
1000