Cool Pictures of Old Planes
XB-42 (Douglas 1945)

The XB-42 and the XB-43 were top security wartime programs which produced only four flying aircraft. Two engines driving tail propellers were housed in the XB-42 fuselage. The XB-43 was a jet-propelled version of the XB-42.
D-558-1 Skystreak (Douglas 1947)

The D-558-1 Skystreak and the D-558-2 Skyrocket were 1947-48 experimental aircraft, which first nudged, then penetrated the sonic barrier. The jet-powered Skystreak reached 651 mph; the jet-and-rocket-powered Skyrocket was flown at 1,327 mph (Mach 2.01).
Gamma 2B (Douglas 1932)

The Gamma 2B was hand-crafted solely for the Antarctic expedition of Lincoln Ellsworth.
Information from this page was taken from the Boeing Company homepage, which can be found at:http://www.boeing.com/companyoffices/gallery/index2.html