Special Features:

Retrodirective prism type; 7 prisms per bank; 3 banks per instr; 1 handle per bank; designed for tripod mtg; w/o tripod; w/o tripod carrying case; w/chest for reflector banks

Properties:

A device which consists of one or more banks of reflectors, a bank being a number of glass prisms arranged compactly and symmetrically in a frame rotatable throughout 360 degrees in azimuth. It is used to receive and to return a projected light beam to an electronic-optical surveying instrument or geodimeter, in measuring distances and mapping operations. Excludes reflector, aiming post.