Aviator wears a barometer on his knee

Title (Dublin Core): Aviator wears a barometer on his knee
Subject (Dublin Core): en Technology; en Airplanes and Zeppelins; en Other
Article Title and/or Image Caption (Dublin Core): His Barometer on His Knee
extracted text (Extract Text): WHEN aviator wants to know

whether he is getting up in the
world, he consults an instrument of the
barometer species. Barometers, as you
know, measure the weight of pressure
of the atmosphere.

An air pilot hasn't much space in
which to store the tools of his craft,
and so Lieutenant Giuliano Parvis
wears his barometer—a big brother of
the wrist-watch—where it will be con-
stantly under his eye when he is
seated in his airplane,
Contributor (Dublin Core): International Film Service (Image copyright)
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): Interwar period
Date Issued (Dublin Core): 1919-03
Is Part Of (Dublin Core): Popular Science Monthly, v. 94, n. 3, 1919
pages (Bibliographic Ontology): 20
Rights (Dublin Core): Public domain (Google digitized)
Source (Dublin Core): Google Books
Archived by (Dublin Core): Davide Donà; Marco Bortolami (editor)
Spatial Coverage (Dublin Core): United States of America