French chalk


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French chalk

a compact variety of talc used to mark cloth or remove grease stains from materials
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

French chalk

[¦french ′chȯk]
(materials)
Finely ground talc.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Recordings were continuous - there was to be no planned editing, but if you made mistakes, editing was grudgingly allowed, as long as it was done with a razor blade and French chalk. It took a week to rehearse and record one half hour episode.