1st Nov, 2018 12:00
Fine Photographica & Instruments of Science & Medicine
A Rare Ivory Surveying Compendium Rule
mid 19th Century, English, signed 'J Fenn 105 Newgate St, London', with protractor divided to one degree, Fahrenheit thermometer, bubble level (liquid absent), 12" rule plus table for length in inches of degee rises, and rise in inches per yard, compass missing, in leather case
mid 19th Century, English, signed 'J Fenn 105 Newgate St, London', with protractor divided to one degree, Fahrenheit thermometer, bubble level (liquid absent), 12" rule plus table for length in inches of degee rises, and rise in inches per yard, compass missing, in leather case
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Auction: Fine Photographica & Instruments of Science & Medicine, 1st Nov, 2018
