Consists of autocollimator, 1, stand, 1, electronics cabinet, 1; sensitivity porm 0.1 sec of arc; accuracy porm 0.1 sec of arc over 10.0 sec, porm 0.5 sec of arc over 120.0 sec; meas rge porm 1.0 min of arc; acquisition field porm 1.0 min at 130.0 ft, porm 15.0 min under 15.0 ft; linearity porm 0.25 sec over full rge; response 15.0 sec of arc per sec of time; pwr 117.0 v ac, 60.0 cps; aperture diameter 2.375 in.; finish grey enamel
