Surveying Aneroid Barometer in Case, by T. Wheeler Scientific Ltd, 20th Century

A surveying aneroid barometer with a coated metal casing and bevelled glass front. It has a white dial and black needle, has a magnifying glass attached to an arm to view the numbers on the dial, and a mill-edged screw which rotates an outer ring on the dial. The barometer is housed in a brown leather case, with a strap and buckle fastening and a leather strap. The case is lined with purple velvet.