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Lot 27
Surveying - 10cm diameter prismatic surveying compass signed on the lid Surveying - F B & S (1932) Ltd with a broad arrow and B 1890. Aluminium compass ring.Brass body. Tripod socket under the base. Probably mid-20th century. Possibly made by Francis Barker & Son (1932) Ltd.. Leather carry case stamped with broad arrow; Two India pattern clinometers each with leather case stamped F.LTD MKVI and 192 below broad arrow. One made by UIC for the British Government (probably the War Department) stamped B8046. The other stamped Unicam B3602 Mark VI 1940 They were used to measure the elevation or declination of buildings and topographical features, mounted on a plane table and levelled using the screw behind the back sight. The aperture in the foresight can be raised or lowered with the thumb wheel until the cross wire coincides with the top of the feature being measured. There are a degree scale (to the left) and a tangent scale (to the right) on the front sight which enable the height to be calculated or found from tables if the horizontal distance is known.
Lot 683
A Chinese polished bronze tripod censer with loop handles, bears six character Xuande mark, 11cm. wide; a similar censer, the sides cast with Buddhist emblems, bears six character Xuande mark, 10cm. wide, damaged; and a plain tripod censer with flattened rim, bears four character mark, 12.5cm. diameter.(3)
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