Twelve inch ruler

Twelve inch ruler Twelve-inch ruler, made by by Whittam, 1872

Twelve inch ruler
Science Museum Group
© The Board of Trustees of the Science Musuem

Twelve-inch ruler, made by by Whittam, 1872.

Details

Category:
Mathematics
Object Number:
Y1999.59
Materials:
metal (unknown)
Measurements:
overall: 2 mm x 323 mm x 28 mm,
type:
ruler
credit:
Gift of I.E. Madox