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Patent:GB191516876


Brevetto:GB 191516876
Titolo:Improvements in and relating to Apparatus for or Means of Measuring the Depth of Colour of Various Substances whether Liquid or Solid.
Data:19.10.1916
Luogo:
Nazione:Gran Bretagna
Persona:Scurfield, George Gouthwaite
Ditta:
Link interni:Analogrechner, Proportionalrechner
Keywords:
Link al brevetto:
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 GB191516876


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Aus der Patentschrift GB191516876

"Proportional calculators.-In connexion with apparatus for measuring depth or degree of colour, a computing-scale R is provided for ascertaining the amount of colour-giving substance to be added to a liquid of known tint to produce a desired tint. ..."