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N° d'objet

M-220
Titre

Protractor: Proportional
Créateur

Zorn, workshop of, Georg
Description

An instrument for military surveying and artillery use. Two legs joined with a circular hinge which is screwed to a third central leg. A cursor with a milled locking screw slides along the central leg and is attached by two arms to outer legs.
Matériel

Unsigned.
Date

c. 1610-20
Matériel

gilt copper
Sujet

Germany

Dimensions