A 19th Century Pocket Barometer Altimeter by Stanley, Gt. Turnstile London, 2” (5 cm) in diameter with a suspension ring to the top. Housed in a leather case.
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A 19th Century Pocket Barometer Altimeter by Stanley, Gt. Turnstile London, 2” (5 cm) in diameter with a suspension ring to the top. Housed in a leather case.