26th Apr, 2018 12:00

Fine Photographica & Instruments of Science & Medicine

 
  Lot 15
 

John Coventry Micrometer Rulings

English, C.1800, unsigned, by John Coventry (1735 - 1812), first ruling on ivory 1.5cm x 7.6cm, second ruling on glass in a brass frame 1.6cm x 8.0cm

Sold for £312

Result plus buyers premium


 
English, C.1800, unsigned, by John Coventry (1735 - 1812), first ruling on ivory 1.5cm x 7.6cm, second ruling on glass in a brass frame 1.6cm x 8.0cm
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