Le Téléphone Sans Fil
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The official name of the company was Ateliers de Construction Le Téléphone Sans Fil. The founder was engineer R. Menot.
Le TSF made transmitters and receivers, amplifiers and measuring equipment, like the Bridge of Wheatstone, wave meters and capacity meters. The company also made parts for telephones. In 1923 the company won a gold medal at the Concours de T.S.F. in Paris.
In 1922 the company was located at the addresses 18 Quai de Passy, Paris 16th and 2 Rue des Eaux, Paris 16th. In 1924 address was 84 Rue des Entrepreneurs, Paris 15th. They later merged with Ets. R. Grandin and Grandin & Moreau.

This page was last edited on 31.08.2018