Collections thématiques
Usines de pâte et papier
Opacity Tester
Date : 19-
Créateur :
Source : CDEM Fraser Companies Limited collection
Collaborateur(s) :
Description : Here is an opacity tester that measures the capacity to reflect the blue light portion of the spectrum. The degree of whiteness is thus obtained.
Sujet : New Brunswick, Logging, Pulp mills, Edmundston
Date : 19-
Créateur :
Source : CDEM Fraser Companies Limited collection
Collaborateur(s) :
Description : Here is an opacity tester that measures the capacity to reflect the blue light portion of the spectrum. The degree of whiteness is thus obtained.
Sujet : New Brunswick, Logging, Pulp mills, Edmundston
