The pressure gauge is a pressure measuring instrument. Its design depends on the pressure range it is designed to measure. The presented pressure gauge, before being damaged, was used to measure pressure up to 300 atmospheres.
Schäffer & Budenberg – manufactory
before 1894, Buckau (currently district of Magdeburg)
Jagiellonian University Museum Collegium Maius
Inventory number: 4449; 460/V
https://muzea.malopolska.pl/en/objects-list/2825