Word: brakemen
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Dates: during 1960-1969
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Right the First Time. The pioneers of nondestructive testing were the rail road brakemen, who used to tell if a steel car wheel was cracked by whacking it with a hammer to see if it rang true. United Air Lines technicians use basically the same principle today when they bombard jet turbine blades with electronically generated sound to see if the blades resonate at a frequency that indicates there is no danger of breakage. Westinghouse uses ultrasonics -super high-frequency sound waves - to probe right through big forgings in the rotors of its giant $2 million turbine generators and detect...
...Filed a federal suit, charging that the Brotherhood of Railroad Trainmen and the St. Louis-San Francisco Railway conspired to assign Negro "train porters'' to the same work done by white "brakemen" at higher pay-at the same time denying them union membership...