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Empire Contourmeter and Datum frame rule & case
MANUFACTURING AND DISPENSING EQUIPMENT
datum rule
M. Wiseman & Company Ltd
Europe: United Kingdom
Mid 20th c.
metal; plastic; wood; leather
overall (case): 26 mm x 175 mm x 72 mm
1999.294
MANUFACTURING AND DISPENSING EQUIPMENT
datum rule
M. Wiseman & Company Ltd
Europe: United Kingdom
Mid 20th c.
metal; plastic; wood; leather
overall (case): 26 mm x 175 mm x 72 mm
Instrument consisting of a metal tube and sprung nosepiece with dependent lenses. Marked with scale on tube and lenses. Black leather-covered wooden hinged case with two gold-coloured metal clasps and black velvet lining.
1999.294