12th May, 2022 12:00

Fine Scientific and Medical Instruments

 
  Lot 122
 

Two Boxwood Slide Rules by Stanley

Both English, comprising of Glaser's Textile Conversion Slide Rule, c.1905, patented 1903, no. 242, with twin slides and fixed celluloid cursor, 64cm; with Thomlinson's Equivalent Paper Slide Scale, c.1920 twin slides, boxwood mounted on mahogany 58.5cm

Sold for £150

Result plus buyers premium


 

Both English, comprising of Glaser's Textile Conversion Slide Rule, c.1905, patented 1903, no. 242, with twin slides and fixed celluloid cursor, 64cm; with Thomlinson's Equivalent Paper Slide Scale, c.1920 twin slides, boxwood mounted on mahogany 58.5cm

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