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Title: Two-foot boxwood rule (folding to 10") with logarithmic slid [Go to resource]
Description: Two-foot boxwood rule (folding to 10") with logarithmic slide, marked with tables and bearing the words "J.Hughes, Queen St., Ratcliff" for timber measurement and calculation License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: slide rules (timber) Temporal: 1818-1843 Source: Science Museum Creator: Hughes, Joseph Identifier: 1939-118 Go to resource More Like this...
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