Brass Sextant Negretti Zambra Second Half of 19th Century in its Mahogany Box

Fassamano (from the French face-a-main) eyeglasses with handle that turns into a case shaped like the lenses; dark tortoise eyeglasses, oval lenses...

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...

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...

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 ...