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Aristo 80148 optician's slide rule / Rechenstab fur Optik
MANUFACTURING AND DISPENSING EQUIPMENT
slide rule
Dennert & Pape
Europe: Germany
20th c.
plastic; Aristopal
rule: 174 x 49 mm; case: 184 x 61 mm

Slide rule. White 'ARISTOPAL' plastic. Scales marked in black and red. Brown imitation leather case. Yellow quality control slip. Instruction booklet in German text only.


1999.28

Gift of Mr Henri Obstfeld, 1999



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