Adler AIS | Details

Object number

N-46
Classification

Drawing Tool
Object name

Protractor
Creator

Butterfield, Michael
Description

Open, semi-circular protractor. Outer edge of protractor rings are sloped. Upper edge of base bar is sloped, with notch to mark center for angle measurements. Crudity of signature makes it suspect.
Inscription/Sig.

"Butterfield AParis".
Period

c. 1700
Material

brass
Place Of Prod.

France

Dimensions

Frame