Making the Perfect Record: From Inscription to Impression in Early Magnetic Recording

“Talk Back”

Redrawing the cord through the helix at exactly the same speed of the recording would be incredibly difficult (if not impossible) to manage if the device was operated by hand.

(This note comments on the page titled, “Fidelity and Deceit,” as well as the attached image titled, “Some Possible Forms of Phonograph.”)

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