Live Auction 12051Travel, Science and Natural History
MCFARLANE'S CALCULATING CYLINDER
Lot 239

MCFARLANE'S CALCULATING CYLINDER

SCOTTISH, CIRCA 1835

Closed21 April 2016

Estimate

GBP 2,000–3,000

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MCFARLANE'S CALCULATING CYLINDER
SCOTTISH, CIRCA 1835
the composed of three rotating sections with printed paper scales, cartouche signed McFARLANE'S CALCULATING CYLINDER. GLASGOW.
6in. (15cm.) long

Specialist note

This slide rule in the form of a cylinder would have been used to determine interest for fiscal calculations. Other examples are known in the collections of IBM and the Science Museum in London.