engineer's scale
Date: 1960
Inventory Number: 1998-1-0309
Classification: Engineer's rule
Subject:
Maker: American
Cultural Region:
Dimensions:
0.2 x 31.1 x 3.6 cm (1/16 x 12 1/4 x 1 7/16 in.)
Material:
Description:
Clear plastic rule with one hole near each end. The face of the rule is printed with two scales. Printed along the top edge of the rule is a scale in half-inches, graduated into tenths and labeled with a "20" near its left end. a scale in inches, graduated into tenths and marked with a "10" near its left end, is printed along the bottom of the rule.
Signedunsigned
Inscribedface, center: ENGINEERS SCALE
FunctionFor use in transferring measurements at a fixed ratio of length, as in architectural or engineering drawings.