Caption
Mechanical devices, average through the tap air pump, two-deep valve air pump in front view and cross section, Babinet's tap in two positions, Bianchis double-acting air pump, barometer sample, piston in cross section, research, science, invention, knowledge, physics, natural science, development, valve, piston, barometer, historical illustration 1891
Credit line
Photo12/ImageBROKER/Wolfgang Diederich
Reference
BRK26H45_088
Model release
No
Property release
No
License type
Rights managed
Available size
91.1Mb (30.4Mb) / 22.2in x 16.0in / 6654 x 4786 (300dpi)