Brass hinged rule

Made:
unknown place
Brass hinged rule

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Brass hinged rule
Science Museum Group
© The Board of Trustees of the Science Museum

Brass hinged rule, 18" long incorporating a protractor at the hinged joint.

Details

Category:
Industrial Metrology
Object Number:
1925-991
Materials:
brass
Measurements:
overall folded: .7874 x 15.3543 x 2.0472 in.; 2 x 39 x 5.2 cm
type:
hinged rule and protractor
credit:
Hildburgh, W.L. (Society of Antiquaries)