Search Results - Hilger & Watts

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  1. 1

    Metallurgical analysis by means of the spekker photoelectric absorptiometer by Haywood, F. W, Wood, A. A

    Published 1957
    “…Hilger & Watts…”
    Book
  2. 2

    The measurement of colour by Wright, W. D

    Published 1958
    “…Hilger and Watts…”
    Book