detectograph — English Dictionary

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detectograph

Noun

An early audio recording device used in wiretaps.

Examples

More examples (2)

There were no stenographers and no detectographs in those days, and there is no record of this interview, fraught with such tremendous benefit to Germany and all Europe[…]

[…]it is taken for granted that the discussions are not significant, otherwise we might consider the advisability of capturing these golden words by the installation of detectographs throughout the club house.

Word forms

detectographs

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