Pair of 6-inch brass callipers with sector, by Thomas Heath in pocket leather case Pair of 6-inch brass callipers with sector 1720-1753
Callipers for measuring tumour growth changes in mice models, used at the Cancer Research UK Manchester Institute, c.2021. Callipers for measuring tumour growth changes in mice models 2021
Clock-maker's steel callipers by Paull of Geneva, 1777 (in case) Clock-maker's steel callipers by Paull of Geneva
Calipers, inside, NER Carriage shop, York, steel, dated 1898 Calipers, inside, NER Carriage shop 1898