improved Device
Year: 1897

page_text: Date of Application, 6th Aug., 1897
Complete Specification Left, 7th Oct., 1897--Accepted, 13th Nov., 1897
I, RICHARD EDWARD SAUNDERS of 6, Dordrecht Mansions, Brook Green, in the
County of Middlesex, of no occupation do hereby declare the nature of this
invention to be as follows:-
This invention consists of a pane of obscured glass in which letters or other
devices denoting a legend or notice of some kind are left clear so as to be trans-
parent.
I, RICHARD EDWARD SAUNDERS of 6, Dordrecht Mansions, Brook Green, in the
County of Middlesex, of no occupation do hereby declare the nature of this
invention to be as follows:-
This invention consists of a pane of obscured glass in which letters or other
devices denoting a legend or notice of some kind are left clear so as to be trans-
parent.
Behind the glass is a colored rotating disk (or disks) which carries various colors
in varying succession.
The effect of this is to present to the eye a kaleidoscopical change of color in the
letters of the announcement, which has a pleasing and attractive effect.
Dated this 6th day of August 1897.
Behind the glass is a colored rotating disk (or disks) which carries various colors
in varying succession.
The effect of this is to present to the eye a kaleidoscopical change of color in the
letters of the announcement which has a pleasing and
S. S. BROMHEAD,
97, Newgate Street, London, Agent for Applicant.
improved Advertising Device.
I, RICHARD EDWARD SAUNDERS of 6 Dordrecht Mansions, Brook Green, in the
County of Middlesex, of no occupation 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 relates to signs having changing effects and automatic variations
of colour whereby they attract observation. Some of these as hitherto made are
designed to act by day only and others by night only, producing little or no effect
at other times. The special feature of my improved sign is that it can produce a
striking prismatic effect by day and by night.
My invention consists of a pane or plate of obscured glass in which letters or
other devices denoting a legend, picture, or notice of some kind are left clear so
as to be transparent.
Behind the glass is a coloured rotating disk or disks which carry various colours
in varying succession, and which can also be transparent, so as to be illuminated
from behind or within.
These disks can be caused to rotate by clock-work or electricity or in any other
well known way, or they could be arranged around or adjacent to the dial of an
ordinary clock.
My invention is specially suitable for use in vehicles such as omnibuses, railway

page_text: carriages and the like, and when employed this way the disks may be rotated by
power taken from the wheels of the vehicle.
The effect of this arrangement is to present to the eye a kaleidascopical change
of colour in the letters of the announcement, on lines of the device which has a
pleasing and attractive effect. I will now describe the invention with reference to
the accompanying drawings in which
Fig. 1. shews a front elevation of one form of my advertising device.
Fig. 2. shews a back elevation of the same, the hinged cover being turned down
to shew the multi-coloured disk.
Fig. 3. shews an edge view, shewing the hinged cover and fastenings.
a is the plate of glass which is opaque except where the letters or lines compris-
ing the legend or notice are situated, these being left transparent. The screen
thus formed is mounted in a suitable frame b. provided with a hinged or other
suitable cover c.
Within the frame and behind the glass screen a. is disposed a
multi-coloured disk d. cross hatched in the drawing to represent the different
colours, which is caused to rotate around a central pivot or arbor e by the final
wheel of a train of gear operated by clockwork or the like supported by the
skeleton frame f. Any other form of driving device may be used, and several
disks can be used when necessary. The multi-coloured disk or disks rotate at
the back of the transparent portions of the glass screen, which thus appears to be
constantly changing colour. The disk may be replaced by coloured rollers or by
bands running on rollers.
In the case of long signs I may adopt as an alternative, the use of endless bands
travelling on revolving rollers, or of revolving coloured rollers instead of disks.
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. In a sign mural notice, picture, or other advertising device, the special con-
struction of a front plate which is partially transparent in combination with
coloured rotating disks behind the said plate which disks may also be transparent,
and a suitable motor as herein declared and set forth.
2. In a sign advertisement or the like the combination of a front plate which
is wholly or partly transparent with revolving coloured rollers, or an endless band
travelling on rollers and a suitable motor, as herein described and set forth.
Dated this 7th day of October 1897.
S. S. BROMHEAD,
171 Queen Victoria Street Loudon, Patent Agent.