Antique POCKET BAROMETER by Negretti & Zambra, presented June 1 1879. Dial displays Barometer and Altimeter readings. Dial also marked “Compensated, Negretti & Zambra London #8171″. The instrument is functioning. It measuring approximately 2″ in diameter and 5/8″ thick. Note the last photo which displays the change in [...]
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Posts tagged presented
Antique POCKET BAROMETER by Negretti & Zambra, presented June 1 1879
Antique POCKET BAROMETER by Negretti & Zambra, presented June 1 1879. Dial displays Barometer and Altimeter readings. Dial also marked “Compensated, Negretti & Zambra London #8171″. The instrument is functioning. It measuring approximately 2″ in diameter and 5/8″ thick. Note the last photo which displays the change in [...]