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3M introduces Scotch No. 100, a black oxide paper tape.
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3M introduces Scotch No. 100, a black oxide paper tape.
January
R-R Machine
Overview
Webster-Chicago manufactures wire recorders for the home market
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Webster-Chicago manufactures wire recorders for the home market
R-R Machine
Overview
Brush Development Corp. builds a semiprofessional tape recorder as its Model BK401 Soundmirror
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Brush Development Corp. builds a semiprofessional tape recorder as its Model BK401 Soundmirror
R-R Machine
Overview
Jack Mullin demonstrates "hi-fi" tape recording with his reconstructed Magnetophon.
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Jack Mullin demonstrates "hi-fi" tape recording with his reconstructed Magnetophon at an Institute of Radio Engineers (IRE) meeting in San Francisco.
R-R Machine