Adler AIS | Details

Object number

A-297
Classification

Surveying
Object name

Level
Title

Level: Bubble
Creator

Unidentified
Description

Same design as striding bubble level A-299. Without fine adjustment screws or numbers alongside calibrations on reservoir. Curved metal clips. "Chamber" scratched on housing.
Inscription/Sig.

Unsigned.
Period

c. 1850-1900
Material

oxidized brass
Place Of Prod.

United States

Dimensions

Frame