DEPEW, HARLAN ARMSTRONGFundamental and practical aspects of the compounding and testing of white rubberFundamental and practical aspects of the compounding and testing of white rubberDepew, Harlan ArmstrongÉditeur : New Jersey Zinc CompanyAnnée : 1931DisponibleAFTPVALire la suite...
DAVIS, RAYMONDFilters for the reproduction of sunlight and daylight and the determination of colour temperatureFilters for the reproduction of sunlight and daylight and the determination of colour temperatureDavis, RaymondÉditeur : US Department of commerce Burcan of standardsAnnée : 1931DisponibleAFTPVALire la suite...