Travailleurs d'usine

Whiteness Tester Instrument

Date : 195-?
Créateur : Studio Laporte
Source : CDEM Fraser Companies Limited Collection
Collaborateur(s) :

Description : A worker using an instrument to test the ability of pulp to reflect the blue ray of the colour spectrum. The degree of whiteness is thus verified.

Sujet : New Brunswick, Logging, Wood-Pulp Industry, Staff, Edmundston

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