Boeing 299
seen from China

seen from Malaysia
seen from Lithuania
seen from United States
seen from Brazil

seen from Malaysia
seen from China
seen from China

seen from Brazil

seen from Maldives
seen from United States
seen from Spain

seen from Bosnia & Herzegovina
seen from United States
seen from Italy

seen from Brazil
seen from United States
seen from United States

seen from Malaysia

seen from Brazil
Boeing 299
Inside the radio compartment on the Boeing Model 299, 1935; the compartment was upholstered to reduce external noise, in contrast to the bare aluminum finish of the rest of the aircraft
Boeing’s prototype B-17, with the factory designation of Model 299, was designed by a team of engineers led by E. Gifford Emery and Edward Curtis Wells, and was built a the company’s own expense.
A close-up of the fairing for the bombsight on a Boeing Model 299, 1935
YB-17 36-149 nosed over on landing at Seattle, 7 December 1936
Here is the model 299 YB-17 prototype, just so one can appreciate the similarities between it and the Boeing XB-15