Adler AIS | Details

Object number

M-108
Classification

Surveying
Object name

Protractor
Title

Protractor: With index
Creator

Grazzini, Ferdinando
Description

For use on plane table. Truncated circular plate pierced with horizontal windows. Limb divided 0-180° every 1°. Index rule with chamfered edge. Two scales of equal parts, 0-20 and 0-10, each divided into 6 parts. Labelled "Canne. B6".
Inscription/Sig.

"Ferdinando Grazzini Fece/Lanno 1747"
Material

brass
Place Of Prod.

Italy

Dimensions

Frame