Large, metallic Aldis Epivisor projector 35 mm lens, serial No.616/115. The unit consists of a large erect projector case mounted on a long base which has 2 front feet adjustable. A long lens projects from the front with a slide mechanism just behind it. Above this is a large glass lens (85 mm in diameter) with "35 c.m. F/4 14755 ALDIS" marked on it. On the top is a vent for heat dissipation. On the left is a switch to turn the unit on. Below that, a wire emerges which ends in a 3-pin plug. A solid black handle on either side facilitates carrying.
Aldis Brother Ltd. Birmingham - England
Registered Number 680773
Educational Base Maker's Plate
Aldis Brothers Limited. Slide Projector [Aldis Epivisor], 1981.253. The Museum of Transport and Technology (MOTAT).