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

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