Roll over image to zoom, or click here to view full size
A rare early 20th century mahogany cased travelling barometer with English and French instructions, the Self Recording Pocket Barometer for Tourists, Engineers, Explorers, Aeronauts, Motorists together with a French Aeronautical conversion table for barometric pressers and altitudes dated 1920. The inner housing of the barograph marked for Jules Richard, Paris
Estimate £300 to £500
Hammer price: £330