Nautical marine Sextant by Negretti and Zambra London

Edwardian polished oak cased barograph with bevelled glass panels. Brass base plate stamped ‘Regent, Jewelled movement supporting the ten vacuum chambers linking the ink pen pointer ...

Negretti & Zambra Fine Edwardian oak cased barograph with hinged lid, bevelled glass panels and central chart drawer. Seven vacuum ...

Negretti & Zambra Fine Edwardian mahogany cased barograph with beveled glass panels and central chart drawer. Seven vacuum chambe...

19th century Negretti and Zambra Bakelite Weather Forecaster. Housed in a black metal case with a cream coloured bakelite front plate. The dial with barometer scale, hand turned indicator and a secondary dial operated by the side lever to set the wind direction...

Unusual mahogany-cased barograph and barometer by Negretti & Zambra, having five glazed removable lid. The mechanical eight-day movement is housed in the drum, fitted with a seven-da...

19th century Negretti & Zambra aneroid barometer. Large English oak, Gothic style barometer. Free shipping within the United States and Canada.

Torricellian barometer of oak wood, signed Negretti & Zambra London from the second half of the 19th century, complete with reading vernier for checking the pressure variation and thermometer. Height 98 cm - 10.6 inches, width 27 cm - 38.5 inches, depth/thickness 5 cm - 1.96 inches. Very good condition, fully functional. For safety during transport the barometer will be shipped emptied of mercury. The mercury will be placed in a sealed container in the package together with the barometer. When it was discovered, that changes of atmospheric pressure are connected to changes of weather, barometers became very popular. Evangelista Torricelli...

This is a large antique 'officer of the watch' telescope. An English, single draw refractor for terrestrial or astronomical use by Negretti and Zambra of London, dating to the late V...