Caliper
Category
Tools
Date
Unknown
Materials
Steel and copper.
Measurements
360 x 160 x 40 mm
Collection
Penrhyn Castle, Gwynedd
NT 1700695
Summary
Caliper. A large steel external caliper. One side slides on an arc-shaped arm to which it can be fixed by a steel thumbscrew. \the two arms are joined by a copper rivet.