18th Oct, 2019 12:00

Fine Photographica & Instruments of Science & Medicine

 
Lot 77
 

Anderson's Improved Slide Rule

English, c. 1910, mahogany with celluloid scales and celluloid fixed cursors attached to the slide, British patent 1903 and USA 1904, by L P Casella.

Sold for £96

Result plus buyers premium


 
English, c. 1910, mahogany with celluloid scales and celluloid fixed cursors attached to the slide, British patent 1903 and USA 1904, by L P Casella.
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