Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Dichromatic projection microphotometer
New type of microphotometer combining advantages of projection type described by HESTHAL and HARRISON in 1929 with those of original photoelectric type of Koch; plate measured is traversed by beam of blue light supplied from small lamp of constant intensity, used to make desired density determinations; at same time it is viewed by means of beam of orange light furnished by projection lamp run on commercial a-c.
Dichromatic projection microphotometer
New type of microphotometer combining advantages of projection type described by HESTHAL and HARRISON in 1929 with those of original photoelectric type of Koch; plate measured is traversed by beam of blue light supplied from small lamp of constant intensity, used to make desired density determinations; at same time it is viewed by means of beam of orange light furnished by projection lamp run on commercial a-c.
Dichromatic projection microphotometer
Rev Sci Instruments
Harrison, G.R. (Autor:in)
1932
8 pages
Aufsatz (Zeitschrift)
Englisch
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