| Description | A report on the work of the Committee. Describes the activities of the sub-committee appointed to visit glass manufacturers; the work of Sir William Crookes on spectroscopic examination of rays emitted by a glass furnace; G J Burch's work on determining the heat- and light-transmitting properties of various glasses; reseach by E K Martin on the physiological and pathological effects of rays of light and ultra-violet rays upon the eye. p32-33. |