Improved Means and Appliances for Advertising.
Year: 1889

page_text: Date of Application, 6th Dec., 1889
Complete Specification Left, 6th Oct., 1890-Accepted, 15th Nov., 1890
PROVISIONAL SPECIFICATION.
Improved Means and Appliances for Advertising.
I JAMES ROOTS 19 St. Mary's Road Westbourne Park W. Engineer do hereby
declare the nature of this invention to be as follows:-
It relates to the combining for street advertisement at night, magic lantern slides
with clockwork with the object of making the arrangement automatic or independent
of attendance. The slides containing advertisements are fixed in a circular frame
revolving on a spindle the toothed whel on the spindle of the frame gears into one
of the train of clock wheels some of the teeth of which wheel are cut away at
intervals to give the frame intermittent motion. Or wipers may be used to revolve
it. In a modification the slides are fixed in a straight frame and actuated by a mangle
arrangement of teeth. The frames containing the advertisements on glass may be
used actuated by clockwork without a magic lantern to shew through a semi-
transparent screen such as coloured glass or tracing linen.
Dated 5th December 1000
COMPLETE SPECIFICATION.
Improved Means and Appliances for Advertising.
I JAMES ROOTS, Engineer, of Chesapeake, Mottingham, Kent, do hereby declare
the nature of my said 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 the combining for street advertisement at night, magic
lantern slides with clockwork with the object of making the arrangement automatic
or independent of attendance. The slides containing advertisements are fixed in a
circular frame revolving on a spindle the toothed wheel on the spindle of the
frame gears into one of the train of clock wheels some of the teeth of which wheel
are cut away at intervals to give the frame intermittent motion, or wipers may he
used to revolve it. In a modification the slides are fixed in a straight frame and
actuated by a mangle arrangement of toothed wheels. The frames containing the
advertisement on glass may be used without a magic lantern (actuated by clockwork)
to show through a semi-transparent screen such as coloured glass or tracing linen.
The annexed drawings show my invention.
Figures 1 and 2 are part elevation of apparatus in which the clockwork drives
the disc with advertisement in a circular direction.
D the
Figures 3 and 4 are views of another apparatus in which the clockwork drives a
horizontally moving views plate in a reciprocating manner.
A is the magic lantern case. B the focus lens. the clockwork.
regulating fan or flyer. E gear wheel with teeth removed at parts of its circum-
ference for intermittent gear into the pinion F for moving the circular frame G with.
advertisements round and then to rest for the picture to be exposed to view for a
given period of time in succession.
The same letters apply to Figures 2 and 3 except that the reverse motion of the
advertisement straight frame G is obtained by the mangle gear I J and a crank
pin K on the disc H engaging intermittently in the slots L L of the plate G for
both forward and hack travel of the plate G for the purpose already explained.
I also arrange the slides on a horizontal revolving frame as shown in Figure 5,
which surrounds the lantern and clockwork one of the wheels gears into the mutilated
clock wheel on the spindle of the frame, the lower bearing of which is a steel hardened
point in an agate cup.

page_text: This may he employed on a large scale with an are lamp instead of gas or oil.
At Figure 6 is shewn an arrangement for obviating locking of the first tooth of the
mutilated wheel where the clockwork is subjected to heat or considerable differences
of temperature. The tooth M is fitted on a strip of clock spring which stands higher
than the other teeth and first comes into gear with the teeth on the unmutilated wheel
of the train.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is
1. The arrangement of appliances shown at Figures 1 and 2 constituting an
apparatus for intermittently and successively exposing advertisements from a magic
lantern as described.
2. The arrangement of appliances shewn at Figures 3 and 4 constituting an
apparatus for intermittently and successively exposing advertisements from a magic
lantern as described.
3. The spring toothed pinion as and for the purpose specified when employed in
the apparatus shown at Figures 1 and 2 of the annexed drawings.
H. GARDNER,
Patent Agent, 166, Fleet Street, London,
Agent for the said James Roots.
H. GARDNER,
Patent Agent, 166, Fleet Street, London,
Agent for the said James Roots.