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The Western Electric 500-type telephone replaced the 300-type, which had been produced since 1936. The model 500 line was designed by the firm of industrial designer Henry Dreyfuss, the product of several years of research and testing in collaboration with Bell Laboratories and Western Electric. Development started in 1946 with early sketches ...
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A bicycle with an aftermarket hub-motor in the front wheel. An electric bicycle is a conventional bicycle that has been fitted with an electric motor. Most often electric bicycles or e-bikes are powered by rechargeable batteries however some experimental electric bicycles run directly on or recharge their batteries via solar panels, fuel cells ...
Date/Time Thumbnail Dimensions User Comment; current: 00:52, 26 September 2023: 512 × 104 (4 KB): RilennEdits: Wrong version of Helvetica used: 02:22, 22 January 2019
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