Ref.1296

A boxwood scaled manometer / barometer by James Simpson & Company Ltd, Pimlico, London. The scales engraved pounds pressure by square inch on the left, from 5 – 15 and inches from 2 – 31 on right hand side, with large off-hand blown glass reservoir similar to Continental barometers giving a diameter of approximately 3 ¾” of mercury at the zero position. Possibly dating early 20th Century, the scales mounted on simple mahogany backboard. An interesting curious simple old instrument measuring: 35” long x 4” wide £495