Description

Arthur C. Hardy (left) and Frederick W. Cunningham (right) operate a device that measures color. Original caption: "Human judgment in measurement of color has been eliminated by a new instrument developed at Massachusetts Institute of Technology by Prof. Arthur C. Hardy (left) and Frederick W. Cunningham (right). Above the color of an apple, seen at the light in front of the motor, is being recorded. The lamp in the centre foreground gives an illumination 50 times more intense than full sunlight. To the left of the lamp is a block of magnesium carbonate, whitest substance known, used as the basis for color comparison." Used in: Geo. H. Davis, Jr. for Boston Herald, May 25 1927.