Lot # 49 - Dietzgen & Alvin Opisometers – Precision Cartographic Tools

Opening Bid : $ 5.00
Pickup Instructions:
Start Date/Time: 24-Feb-2026 7:00:00 AM
End Date/Time: 02-Mar-2026 7:48:00 PM
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Description :

A duo of mechanical opisometers/map measurer featuring a Dietzgen and a Pickett & Alvin #1114 models. Each is mounted for display and designed to trace curved lines with precision. The Pickett & Alvin Dial Map Measurers, Estimated Date: 1950s–1970  includes its original green case, enhancing its appeal to collectors of scientific instruments and cartographic history.

Dietzgen’s map measurers, the heavier, more rounded case and the typography are consistent with 1930s–40s industrial design.


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