$2,500,000 Worth of Planes a Day
By ANDREW R. BOONE
From article in March 1942 Popular Science
Today, Douglas plants cover 3,338,100 Square feet of floor space, by next June will reach 5,000,000. This is a scene in one of the mammoth factories that are turning out a steady stream of planes night and day.
... The Cloudster, as it took shape in a Los Angeles warehouse Streamlined and equipped with instruments
Adjusting brakes while one man phones readings to the cockpit.
Source July 1941 Popular Mechanics Magazine
The Building of the Douglass B-19