Category:Keuffel and Esser-Model 4181 Log Log Duplex Decitrig

Subcategories

This category has only the following subcategory.

Media in category "Keuffel and Esser-Model 4181 Log Log Duplex Decitrig"

The following 4 files are in this category, out of 4 total.

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  Slide rule K&E 4181-3 front.agr.jpg 3,351 × 572; 1.54 MB
  
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  Slide rule K&E 4181-3 reverse.agr.jpg 3,457 × 641; 1.6 MB
  
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  Slide rule scales back.jpg 2,769 × 1,523; 2.3 MB
  
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  Slide rule scales front.jpg 3,091 × 1,661; 3.11 MB