Negretti & Zambra - London. Rare oak-cased microbarograph. c 1900 [5906]


Fine quality and rare oak-cased microbarograph, in original condition; the hinged, glazed hood protecting 9-capsule barometer movement stack, engraved silvered brass mercury thermometer with Fahrenheit and Centigrade scales, and double-height chart drum with platform escapement. Chart drawer to base. 19in wide. Negretti & Zambra were undoubtedly the leading meteorological instrument makers of the latter 19th Century and early 20th
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Year c 1900