Exterior view of the Lockheed Corporation plant in Burbank, January 27, 1929 

Lockheed Corporation plant in Burbank, January 27, 1929 

Workers lowering machinery inside the Northrop Corporation's Plant, ca.1950 

Interior view of the Lockheed Corporation plant, ca.1940 

Four Lear Corporation Research and Development Division workers at work, September 1950 

Interior of the Lockheed Corporation plant, showing the manufacture of Super Constellation airplanes, ca.1950 

Technicians of the Lockheed Corporation's Missile Systems Division, ca.1950 

Planes (Lockheed 14 Super Electra?) in rows inside an unidentified aircraft manufacturing factory, ca.1940 

Two men working at a machine inside an unidentified factory, ca.1942 

Scientists in a Lockheed Lab with an "environmental testing apparatus", ca.1940 

Four men working in an oil refinery, ca.1940 

Unfinished planes at Kinner Aircraft Company's plant, ca.1930 

Interior of the Northrop Corporation's Plant, ca.1950 

Three metal-plated nose-ends of the Lockheed Constellation aircrafts at a factory assembly line, ca.1943-1958 

Four Lear Corporation Research and Development Division workers examining a component, September 1950 

Interior of the Northrop Corporation's Hawthorne plant, where the Snark Missile was being constructed, ca.1950 

Timm Aircraft Company manufacturing plant, ca.1930 

Vultee Aircraft Company's plant, showing a production line of U.S. Army Air Corps Valiant Basic Trainers (BT-13's), ca.1940-1945 

Interior of the Douglas Company's Santa Monica Plant, showing the Douglas Skyraider planes being constructed, after 1945 

Three workers inside a factory, surrounded by large sacks, ca.1930