Lot · Slide Rules
VINTAGE SLIDE RULE ALBERT NESTLER D.R.Pat. System"Rietz"No.23RF GERMANY Pre-WWII
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Mon · Jul 20, 2026
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ZIP 191**
jjsabrina101
2,564 ratings · 100.00% positive
Description
From the sellerD.R patent stands for Deutschers Reich (imperial German Patent), signed reverse side~ Albert Nestler A-G LAHR i/B ~ it confirms the design was patented before WWII, pre-War Quality, place made Germany Lahr.
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