Boeing F3B-1 in flight, 7 January 1929
This picture shows Boeing F3B-1 A-7721 in flight on 7 January 192. This picture shows the 'N' struts (not actually forming an 'N' in this example, the tape on the upper wing, and gives a good view of the Pratt & Whitney radial engine.
How to cite this article:
Rickard, J (16 January 2017), Boeing F3B-1 in flight, 7 January 1929 , http://www.historyofwar.org/Pictures/pictures_boeing_F3B-1_1929.html