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Umbratest - Quecksilber-Hochdrucklampe
MANUFACTURING AND DISPENSING EQUIPMENT
lens demonstrator
Zeiss
Europe: West Germany
c.1973
plastic; metal; glass
overall: 180 mm x 118 mm x 202 mm

Blue light UV demonstrator for testing Umbral sunglass lenses, set into top of enclosed electrical box unit. Grey and cream-coloured outer casing. White plastic on-off switch at rear. Raised on four feet. Grey electrical flex and white three-pin plug.


2016.619

Gift of Howard Harris Opticians, 2016



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