A300 Barograph

A French made barograph of gilt brass and thick beveled glass, of unusually small size. The small drum contains a 8 day clock and has a seven day chart fixed to it. The stack of bellows activate the arm with the ink knob attached, and the barometric pressure is recorded on the paper chart as a continuous line. A year supply of charts is included but more are available. Fully overhauled and fully working.

Maximum Dimensions 6┬Ż x 4 x 4
Date C. 1910
Price $1350.00

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