Draughstman's ruler
Category
Scientific instruments
Date
Unknown
Materials
Ivory
Measurements
17 mm (Width); 114 mm (Length)
Collection
Tyntesfield, North Somerset
NT 20824.5
Summary
Draughtsman's ivory ruler, double sided in the shagreen case(NT20824.1).
Provenance
Purchased from the estate of the late Lord Wraxall with the assistance of the NHMF and donations from members and supporters.