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Title: SE&CR wheel rule [Go to resource]
Description: Wheel Rule, SE&CR, Double wheel on stand, clutch-foot pedal. Both wheels numbered, built by John Davis & Son (Derby) Ltd., All Saints Works. Dimensions: 43" diameter License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: wheel rule Source: Science Museum Creator: John Davis & Son (Derby) Ltd. Identifier: 1975-7514 Go to resource More Like this...
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