Popular Science L-7-4
1948
10min
Documentary
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Overview
At Arcata, California, testing technology for landing planes in fog. Also: a high-tech barber shop in Westwood Village, California; manufacture of precision steel gauge blocks in Eskilstuna, Sweden.
Cast
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How long is Popular Science L-7-4?
Popular Science L-7-4 runs for 10min, and was released in 1948.
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