Période

2 résultats pour : barograph

  • Page
  • sur
  • 1
Connectez-vous pour plus de résultats
italy, pavullo nel frignano, aeronautics, 1930-1940
UMG22A75_153

italy, pavullo nel frignano, aeronautics, 1930-194...

Man with a recording mercurial barograph, an instrument made and perfected by the U.S. Weather Bureau which measures, on a magnified scale, the fluctuations in the pressure of the air circa 1936.
UMG21A22_407

Man with a recording mercurial barograph, an instr...