Nicolas Fortin, an instrument maker in Paris in the early nineteenth century, introduced a mercury barometer with a glass and leather cistern so designed that the barometer could be safely moved from ...
The silvered plate at the top of this simple wood frame reads “B. PIKE & SONS / 518 BROADWAY / NEW YORK.” The barometer scale extends from 27 to 31 inches of mercury; it is graduated by tenths and ...
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