A Victorian mahogany and lacquered brass precision barometer English. Circa 1870 The wide bore mercurial tube with brass precison Vernier scale having a further magnified viewing lens adjusted by a rack to the side, mercurial thermometer below, the barometer secured to a long oval mahogany backboard which in turn hinged to the mahogany backboard 43 in. (109 cm.) high
A Victorian mahogany and lacquered brass precision barometer English. Circa 1870 The wide bore mercurial tube with brass precison Vernier scale having a further magnified viewing lens adjusted by a rack to the side, mercurial thermometer below, the barometer secured to a long oval mahogany backboard which in turn hinged to the mahogany backboard 43 in. (109 cm.) high
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