Bertin commutator by Townson and Mercer

Made:
1897-1918 in London
maker:
Townson and Mercer

Bertin commutator by Townson and Mercer, 34 Camomile Street, London EC.

Details

Category:
Science Teaching
Object Number:
1983-990
type:
commutator
credit:
Mary Datchelor Girls' School