Provenance : Société d’histoire de la Rivière-du-Nord, Rolland Company Fonds
Call number : P001, S06, SS06, D05, P03
Photographer : Arnott & Rogers Ltd.
Date : 1961
Working in laboratories, Rolland Company scientists tested the paper produced at the mills in various ways. To properly control quality, they subjected sheets to various tests that measured opacity, moisture, tear resistance, weight, stiffness, folding endurance, brightness, and colour uniformity.