A section of Howard Hughes' "Spruce Goose" or "Flying Boat" being moved (with a police escort) from the Hughes Aircraft plant in Culver City, California to Terminal Island in the Los Angeles Harbor where the plane was assembled in June of 1946.
Transcribed from press release: "HUGHES TEST DERRICK This 118-foot field-size oil derrick tower above a block-long laboratory in Houston, Texas, where the Hughes Tool Company simulates every drilling condition in the world in order to produce tough, long-lasting drill bits for the oil industry. Rock bits are responsible for tapping of deep oil fields where today 90 per cent of the world's oil is found."
Aerial view of Hughes HK-1, Flying Boat. The plane was designed and built by Howard Hughes; it it shown near completion at its graving dock at Terminal Island in the Los Angeles Harbor. Transcribed from note on back of photo: "World's largest airplane--After Ground tests here the plane will undergo extensive water-taxi tests."