Large Surveying level circa 1790.

Large Surveying level circa 1790.

£285

Circa

1790

Country of manufacture

UK and Ireland

Categories: Scientific, Surveying Instruments & Mining

Description

An unusual style large surveying level, the main body constructed of thick mahogany; 49.5 cms ( 19.5″) long with fixed brass ends retaining sprung steel holders to grip the brass sights at either end, which can be secured with the screw clamps; one (longer) sight engraved with unknown increments down the arm, the square sights with (replaced) stringing, the underside with sprung thumb wheel adjuster, and fitment for tripod / pole fixing with enclosed 45 degree ball-joint adjustment.

The central bubble level is 19 cms long and has a protective, brass hinged hood.

Total length: 57 cms (19.5″) not including the thumb screws at either end.

The tapered wooden fitted case has the lid which is detached.

Original lacquer to the majority of parts though the sights have been cleaned in the past.

All fitments, screws, lugs etc are of late 18th c design.

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