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Marconi official training signals (cat. no. B626) - course no. 1(9504) press (slow); course no. 1(9505) press (medium)
Sound
Maker: The Wireless Press Ltd The Gramophone Company Ltd
Recordings such as this were used in wireless operators' training courses, Marconi Wireless Training School, Sydney, during the Second World War.S03088
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Marconi official training signals course no. 1 (catalogue number B625)
Sound
Maker: The Wireless Press Ltd The Gramophone Company Ltd
Side 1: International morse (9502); Side 2: Practice in difficult letters, etc (9503). Recordings such as this were used in wireless operators' training courses, Marconi Wireless Training School, Syd...S02168