Abacus
Category
Scientific instruments
Date
Unknown
Materials
Wood, metal, beads and paper
Measurements
246 x 190 x 8 mm
Order this imageCollection
Wallington, Northumberland
NT 583518
Summary
Reid's wooden chemical abacus with 12 metal horizontal rods holding purple counting beads. The frame is covered in scientific information.
Provenance
Gift from Sir Charles Philips Trevelyan 3rd Bt