Spirit level component

Made:
1827
SMG00046519

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SMG00046519
Science Museum Group
© The Board of Trustees of the Science Museum

A brass tube filled with an unknown liquid. Possibly a spirit level for Colby's compensation bar. it has two sections you can see into and a screw at one end.

Details

Category:
Surveying
Object Number:
1876-1201/17
Materials:
brass (copper, zinc alloy) and unidentified (liquid)
type:
components