PEATE 7 
Smithsonian Report, 1959—Loening 
CURRENT JET TRANSPORTS 
1, Boeing 707, pioneer 4-engine jet transport, showing engines mounted close to ground 
under wing; 2, Douglas DC-8 jet transport in flight, landing gear folded, jet engines 
equipped with sound suppressors; 3, the Caravelle, French jet transport which 
pioneered the correct location of jet engines (high and aft), a type now coming into 
much wider usage. 
