Year: 1885

page_text: I DUNCAN CAMPBELL DALLAS of 12 Crane Court Fleet Street in the City of
London Engraver and Printer do hereby declare the nature of this invention to be
as follows:-
This invention has for its object improvements in the application of photography
to the production of elastic printing surfaces either in sunk or relief designs suitable
for printing or decorative purposes such as stamping, printing on textile fabrics,
paper, and for other purposes.
According to my invention these elastic printing surfaces are produced from
"cliches" engraved by photography by any of the processes suitable for the
purpose.
The elastic printing surfaces may be cylindrical or of other suitable form to be
used for printing on textile fabrics with or without mordaunts after the manner of
calico printing and for paper hangings.
Dated this 31st day of December 1885.
TONGUE & BIRKBECK,
34, Southampton Buildings, London, W.C.,
Agents for the Applicant.

page_text: I, DUNCAN CAMPBELL DALLAS of 12 Crane Court Fleet Street in the City of
London Engraver and Printer 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 improvements in the application of photography
to the production of elastic printing surfaces either in sunk or relief designs suitable
for printing or decorative purposes such as stamping, printing on textile fabrics,
paper and for other purposes.
According to my invention these elastic printing surfaces are produced from
"clichés engraved by photography by any of the processes suitable for the
purpose.
"
These elastic printing surfaces may be cylindrical or of other suitable form and
are specially advantageous for printing on textile fabrics with or without mordants
after the manner of calico printing and also for paper hangings and other
decorative materials such as linoleum, etcetera.
In carrying my invention into practice these elastic printing surfaces are
produced from clichés or originals obtained by photography in any suitable manner
(for example in the manner described in the specification of former Letters Patent
granted to me dated May 9th 1866 No. 1334) such clichés or originals being
employed in any of the well known methods for the production of elastic or flexible
surfaces from ordinary engraved surfaces type or other clichés.
These elastic or flexible printing surfaces are made of vulcanised india rubber or
other elastic or flexible material or compositions suitable for the purpose to which
they are to be applied.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what
I claim is:-
1. The improved construction use and application of printing surfaces of
vulcanized india rubber or other flexible or elastic material or composition such
printing surfaces being obtained as herein described from clichés or originals
engraved by photography or from surfaces produced by photographic means
substantially in the manner and for the purpose hereinbefore described.
2. The use and application of clichés obtained by photography to the pro-
duction of flexible printing and decorative surfaces substantially in the manner
herein before described.
Dated this 29th day of September 1886.