细节
VARIOUS PHOTOGRAPHERS including the U.S. ARMY
Graf Zepplin; U.S. Airship; Roma in flight; the Parsival barage balloon; a D.O.X. flying boat; a Zepplin and another,
Nine photographs, the majority gelatin silver prints, various sizes to 6 x 9 in., two 7 x 17 in., including a copy print, eight framed. (9)