From collection Objects Collection
Navigational Instrument: holosteric barometer, marked
3" x 9.25" holosteric barometer made in Negus, New York. Barometers measure atmospheric pressure; when air pressure is low, bad weather is more likely. Marked: on face "Holosteric Barometer" and "Negus, New York." Navigational Instrument: holosteric barometer, marked Barometer - on face ""Holosteric Barometer" . Marked "Negus, New York." Old number 1065
