Aircraft of all nations, a new series of photographs (1917)
Woodhouse, Henry, 1884- · New York, C. S. Hammond & company · leaf 24
Partial view of a huge Italian battleplane equipped wtth three The naval airship "DN-1" traveling close to the surface of the water during one of its motors of 150 h. p. each used extensively for bomb dropping. scouting trips.
Airships
Internet Archive · The Library of Congress · Public domain (published before 1931). Free to use for anything.
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