Wheel Rule, South Eastern & Chatham Railway, double wheel on stand, clutch-foot pedal. Both wheels numbered, built by John Davis & Son (Derby) Ltd., All Saints Works. Dimensions: 43" diameter. Wheel Rule for South Eastern & Chatham Railway
Wheel rule, double wheel with calibrations marked on both. Operated with a foot pedal and mounted on base. Dimensions: 43" diam. Mounted Wheel Rule
Wheel rule, double wheel with calibrations marked on both. Operated with a foot pedal and mounted on base Mounted Wheel Rule
