Apparatus for determining expansion of Standard Yard - Metre bars

Apparatus for determining expansion of Standard Yard - Metre bars, used by Sheepshanks & Bailey, Royal Commission 1844-50, comprising:- 2 metal troughs mounted on stand with scale supports and gas fittings

Details

Category:
Weighing & Measuring
Object Number:
1876-1051
type:
comparators (linear measure)
credit:
Department of Trade and Industry