Richardson's slide rule

Richardson's slide rule, in leather pocket case

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Richardson's slide rule, in leather pocket case
Science Museum Group
© The Board of Trustees of the Science Museum

Richardson's slide rule, in leather pocket case, with two descriptive booklets, patented 1911

Details

Category:
Mathematics
Object Number:
1934-86
type:
slide rule (richardson)
credit:
Mr R.T. Hancock