Spectra brightness spot meter. Also usable as an infra-red thermometer. Serial no.2176. Made by Photo Research Corp.
Gilt oval brooch with gold decoration; daguerreotype of young man, purple fabric back, 56 x 66 mm. Gilt oval brooch with gold decoration
Photo Meter, Darkroom Model A-3, in case, made by Science & Mechanics' Instruments Division, Dept. 229 Park Avenue South, New York, New York, US, 1970-1980, used by Martin Richardson in his holographic practice. Photo meter used for holography