Instrument - Scientific Instruments, Tripod Location Chains

Historical information

Surveying instrument accessories. Two sets.
Used in conjunction with item 4129 - Collapsible leg surveying instrument, tripod. Could also be used with item 4130 - Plane Table which goes with the tripod mentioned.

Physical description

A set of three steel discs, connected in star configuration by three brass chains of equal length. Used to contain tripod ends on hard smooth surfaces.

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