on May 3, 2015
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Overall height of instrument | 40 inches | SUPERB STANDARD BORE, VINTAGE FORTIN'S BAROMETER made by DARTON, (no B709) This instrument is calibrated 670 - 820 mmHg x 1mm, 26 1/4 - 32 1/2 inHg x 1/10 inch The silvered scales may be read by verniers to 0.002 ins, 0.1mm
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