Adler AIS | Details

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Object number

M-147
Classification

Surveying
Object name

Graphometer
Creator

Sevin, Pierre
Description

Pierced semicircle with double-tailed mermaids supporting compass box. Bilevel compass with rose of 32 points and 0-360° every 1°. Points labelled in French. Blued needle type 66. Two sight vanes screwed to alidade and two to base of semicircle.
Inscription/Sig.

"PIERRE/ SEVIN/ A PARIS"
Material

brass
Place Of Prod.

France

Dimensions

Frame