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jector. And the loops, of course, can be stored in the usual 400' cans. The address for further enquiries is: Sound Services Ltd., 269 Kingston Road, Merton Park, London, S.W.19.*
A Draw-curtain Unit
This is not a complete proscenium by any means, but it does allow the user to provide some of the essentials of showmanship at a reasonable price. The 'Showmaker' Draw-Curtain Unit, for example, has no cords or pulleys, and the mechanism is completely enclosed in one compact and very portable unit which can be erected or taken down in a few moments.
A remote-control box is supplied complete with an ample length of cable, enabling the curtains to be controlled by the operator when standing next to his projector. The controls include an automatic device which permits the curtains to be stopped in either the open or closed position.
The curtains are drawn silently along a single rail and the whole outfit is supported by unobtrusive fittings which have been so designed that they can be attached to a wall or even to a window.
The Showmaker is suitable for home cinemas having screens 3' to 4' wide, but larger units can be supplied to meet specific needs. An illustrated folder may be obtained from the makers: Brown of Bristol Ltd., 35, St. Stephens-street, Bristol 1.
The Amprosound Premier-20
Stimulating interest in sound-on-film 16-mm. projectors for home use, as well as for classrooms and factories, is the new product of the Ampro Corporation of Chicago. The Premier-20 is precision built for professional use, and the British model, made by Kelvin, Bottomley and Baird, Ltd., closely follows the American design. It is sturdy, compact, easy to operate, and has an amazingly quiet-running mechanism.
The extremely simplified design includes a new swing-out gate for easy inspection and cleaning of the aperture plate and pressure shoe — a job which may be done in a matter of seconds and without disturbing the focus of the projection lens.
The Premier-20 is equipped for both silent and sound filmspeeds and for reverse operation, and the switches are readily accessible on a centralised control panel. The machine is sup*The address for test -films.
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