1870s, Brass Theodolite Ing. Salmoiraghi Milano Antique Scientific Instrument

Wooden barometer with cedar wood trim at the edges, signed Caux Opticien Rue Rivoli près du Louvre Paris, mid-19th century; dial with the meteorological indications on paper printed ...

Box containing 6 dismounplate geometric solids of oak wood, height 20 cm, in their original wooden box complete with illustrative leaflet for calculating surfaces and volumes. Made for educational purposes for schools by Antonio Vallardi publisher in 1963. Box cm 24 x 40 H 12 cm. The origins of the publisher Vallardi date back to 1750 when founder Francesco Cesare (1736-1799) acquired a small craft in the heart of old Milan. In the early nineteenth century, the publishing house was noted for the production of works of art, geography and science, including a "Tour of Italy" which took twenty-two printings between 1819 and 1835. The complete works of various maps and directions for travel, including timetables and fares for transportation of the time, can be considered the first modern tourist guide. The firm "Vallardi" was born in 1843 and the company became industrial, with the opening of branches on national...

Double strain gauge signed Brevetti F.lli Ingg. Ferrero Savona n.384583 mod E74 - S3, circa 1930, in its original box complete with accessories and magnifying glass. It is an instrument used to...

Lippich polarimeter, scientifi instrument made in 1893 signed Societé Genevoise Genève, brass and black metal. It is an optical instrument of analysis used to determine the concentra...