Antique Compound Microscope, English, Instrument, Negretti & Zambra, Victorian

This is an antique scholar's microscope. An English, brass and enamelled metal scientific instrument by Henry Crouch, dating to the late Victorian period, circa 1900. Appealing micr...

This is an antique pocket barometer altimeter. An English, oak cased explorer's instrument by Hicks of London, dating to the late Victorian pe...

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...

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...