A Large Pocket Barometer by Negretti & Zambra London Numbered 27225, 2¾” (7 cm) in diameter, mounted with a hanging ring to the top and housed in a leather case.
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A Large Pocket Barometer by Negretti & Zambra London Numbered 27225, 2¾” (7 cm) in diameter, mounted with a hanging ring to the top and housed in a leather case.