Diagonal Scale Rule, by Cole, London, 18th Century

Inventory Number 53512

Acknowledgement: © History of Science Museum, University of Oxford, inv.53512

Subject: Measurement
Item type: Object
Makers: Cole
Provenance: Presented by the Friends of the Old Ashmolean. Purchased by them from Mrs Alkin. Probably owned by John Thompson.
Primary inscriptions: "Cole fecit" engraved on obverse; "J. Thompson coll:" engraved on reverse, presumably after arrival in the museum.
Physical material: Brass
Object type: Rule
Dimensions: Width: 302mm Depth: 42mm Weight: 0.189kg
Inventory No: 53512
Accession Number: 1932-19

Both edges bevelled; diagonal scale of 10", with two divisions to the inch.