This is a 12 inch long metal bar, with slightly beveled ends.
Accession Number: 2009.ph.90
Primary Materials: Metal
Stamped or engraved into one side: “J. WHITWORTH & Co.” “MANCHESTER”
On another side: “12 IN”
Length = 30.5 cm, width = 2 cm, height = 2 cm
Poor. The object is corroded on all sides.
Manufacturer: J. Whitworth & Co., Manchester
Date of Manufacture:
University of Toronto Department of Physics
Additional Information and References: