Barometer / thermometer marked: Ps. Wash Fecit Amsterdam; Barometer and thermometer on walnut board with a carved head with shell ornament and dolphins. The thermometer is placed in the lower part; over the mercury column of the barometer. The sawn-out scale plate is made of copper. The mercury bin is glued with burr walnut; has a sliding lid and it has two legs; so that the instrument can also stand. The instrument is marked: 'Ps. Wash Fecit Amsterdam '.; Ps. Wast; Netherlands; 1785 - 1800; wood (plant material); walnut (hardwood); copper (metal); mercury; h 121 cm 脙鈥?w 22 cm 脙鈥?d 11.5 cm