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Photochromic lens demonstrator
MANUFACTURING AND DISPENSING EQUIPMENT
lens demonstrator
Essel
Europe: France, Paris
Mid 20th c.
metal; wood; plastic; glass
overall: 183 x 128 x 78 mm

Light tube beneath round lens receptacle with light aperture, set onto top of inclined electrical box unit. Greenish-brown coloured outer casing. Metal on-off switch. Three padded feet. Voltage adjustment on underside.


2007.487

Gift of Owen Aves Ltd, Ilford, 2007



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