Worker Safety During Construction of the Golden Gate Bridge

This clip describes the installation of a safety net during the construction of San Francisco's Golden Gate Bridge on the order of bridge engineer Joseph Strauss. The clip suggests that the safety net - despite its cost - was a good investment as a morale booster, apart from the lives saved. Despite the net, there was a major accident later which caused the net to fall and cost several lives. Overall, the safety record was still better than might have been expected at the time.

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Golden Age Pioneers - Nicolas Florine

Russian born engineer Nicolas Florine built one of the first successful tandem rotor helicopters. The rotors turned in the same direction but were tilted in opposite directions to cancel torque reaction. Boulet (1984) describes the various mechanical aspects of the machine. Florine's first aircraft was destroyed in 1930, but he had a second design flying successfully by 1933, which made a flight of over 9 minutes to an altitude of 15-feet. This exceeded d'Ascanio's modest flight duration record of the time. Yet, Florine's designs suffered many setbacks, and work was discontinued into the pre-World War 2 years. His machines were ultimately destroyed during the war.

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