magnetic drum
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Instead, said Dr Johnson, he invented magnetic drum storage that used a small brass drum coated with nickel.
From BBC • Apr. 1, 2016
Each day Dr. Bonnell records a new 30-second message on a magnetic drum, which is played back all day by a special machine.*
From Time Magazine Archive
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Then the words were recorded on a revolving magnetic drum.
From Time Magazine Archive
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From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.