Paper maker's slide rule

Made:
1918-1925 in London
patentee:
William Stanhope Buchanan

One of two paper maker's slide rules, patented by William Buchanan in 1918: an initial rough model and a finished example made by C.T. Cooper and Sons for Becker and Co.

Details

Category:
Mathematics
Object Number:
1988-921/1
type:
slide rule (paper)
credit:
Mr Peter Delehar
status:
Permanent collection

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