Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A photo-electric bitumen estimating apparatus
Apparatus for determining soluble bitumen content of asphaltic materials, general principle of which was worked out in laboratory of Limmer and Trinidad Lake Asphalt Co., being made by B. J. Hall and Co.; it is claimed to have accuracy of 1 per cent while complete test can be carried out in 35 min.
A photo-electric bitumen estimating apparatus
Apparatus for determining soluble bitumen content of asphaltic materials, general principle of which was worked out in laboratory of Limmer and Trinidad Lake Asphalt Co., being made by B. J. Hall and Co.; it is claimed to have accuracy of 1 per cent while complete test can be carried out in 35 min.
A photo-electric bitumen estimating apparatus
Engineer
Engineer ; 150
1930
1 Fig.
Aufsatz (Zeitschrift)
Englisch
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