Browsing by Author "F. R. J. Spearman"

Browsing by Author "F. R. J. Spearman"

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  • F. R. J. Spearman (1948)
    A 4-channel recorder, providing continuous traces against time on photographic film, has been developed for use with any instruments embodying Desynn transmitters. It is suitable for the measurement of quantities which ...

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