Wooden framed mirror inset with 9 small circular convex mirrors, largest of which is set in the middle. Associated numbers:- B1457, B44, Dept 1. (AW) Wooden framed mirror inset with 9 small circular convex mirrors
Mirror on ring stand for reflecting radiation, part of an infrared spectrometer, by Harold Thompson, Oxford, Oxfordshire, England, 1934-1941 Mirror, used by Harold Thompson 1934-1941