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cannelure de l'acétate avec une aiguille; un vide minuscule, monté sur l'extrémité du bras d'aiguille a enlevé le résidu d'acétate Les disques étaient trÚs durables pourraient Útre gravÚs de l'extérieur dedans ou de l'intérieur hors de (une petite icÎne sur le disque indique quelle direction a été employée)
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The CBC recorded radio programs on 16-inch acetate transcription discs. Made of glass, metal or even paper with a thin layer of acetate fixed to the surface, these discs were used until 1966. Recordings were made made by carving a groove in the acetate with a needle, a tiny vacuum, mounted on the
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Le Radio-Canada a enregistré les programmes par radio sur des disques de transcription de l'acétate 16-inch. Fait du verre, du métal ou méme du papier avec une couche mince d'acétate fixée sur la surface, des disques ont été employés jusqu'en 1966. Des enregistrements ont été faits en découpant une
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end of the needle arm removed the acetate residue. Discs were very durable and were usually recorded at either 33 or 78-rpms and could be engraved either from the outside in or the inside out (a small icon on the disc indicates which direction was used)
260:â You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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Used to record radio programs on 16â discs. Photo taken by the uploader (who is also the flickr user in question) at the CBC Broadcast Centre in
Toronto.
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Add a one-line explanation of what this file represents
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Commons is a freely licensed media file repository.
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
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