20149-0000 Musée des arts et métiers-CNAM (Paris France)
Suggestions & Corrections
Type:
instrument
Dimension:
H.: 15; Diam.: 12; Mass: 2000 g.
Component's data
Thematic group:
Instruments
Type:
apparatus
Abstract:
Brass instrument with two circular platform - with screw - clamps and levelling screws. A ball-and-socket joint in the centre of the lower platform is connected by a brass tube to the upper platform. Seems to be a levelling device.