Recording machines designed for dictation have used many different formats over the years. This “Time-master” unit made by Dictaphone Corporation used a 3.5-inch wide belt coated with a magnetizable ...
Men interested in cutting their study time in half in order to raise their grades are referred to Franklin P. Dunn '39, of Eliot House, who has developed the system. Dunn uses a dictaphone and a ...
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