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Title: Pair of tuning forks marked W [Go to resource]
Description: Pair of tuning forks marked W.E.C. London, used as frequency standards for setting up electronic circuits pre-1924. Frequencies 900 and 1000 hertz License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Western Electric Co. (maker) Identifier: 1984-120 Go to resource More Like this...
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