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Folder: S.F. Transportation-Streetcars-Timetable Control. Newscopy: "MOVING FINGER CHARTS MUNI MOVEMENTS--Chief Inspector Herbert Wilson and Earle A. Rambo, assistant director, watch an automatic device which records the extent to which N, B and C streetcar lines keep on schedule. A radio car is dispatched to the scene whenever a delay is observed, with an inspector instructed to 'get the cars back on the timetable.' Eventually, all lines are expected to be monitored by the recording device."