Perken, Son & Rayment Tri-Unial Magic Lantern

Mahogany iron and brass "Triunial" triple lantern with detachable top lamp-house for triple or bi-unial use, three matching brass-bound lenses each with rack focusing, three lime burner illuminants, two/three-way oxy-acetylene control valves with connecting pipes, two brass carrying rails, brass extension for lamp-house screen, various boxes of Mabor Indestructible limes, oxygen mixture valve and three Optimus slide carriers, contained in wood carrying-cases which, with extendable posts, becomes adjustable "projector stand". Ex Spira Collection purchased at Christie's South Kensington, February 21, 1985, lot 174