Lietz Circular Binary Slide Rule Calculator Lietz Vintage USA 1931 Brown Case For Sale

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Lietz Circular Binary Slide Rule Calculator Lietz Vintage USA 1931 Brown Case:
$75.00

• Circular slide rule design
• Includes leather case & instructions
• Marked A. Lietz Co, 1931
• Durable plastic with yellow highlight details
• Precision tool for engineering useUnmarked stains on instruction cover and light wear on the leather case. No major defects noted.