Holder for supporting mirrors or gratings either on a spectrometer table or in an optical bench. Consists of a cast mounting with two faces at right angles machined smooth. One of them has a square aperture about 30x35 mm and is provided with spring clips to support objects up to 50x50 mm. The other surface is used as the base. It has a threated hole for a standard 10 mm rod (CENCO No 72162 rod).
Manufacturer: CENCO No87050