Pulse synchroscope `` C1-5 '' (SI-1).
Instruments for adjusting and controlling the PTA.The pulsed synchroscope "C1-5" (SI-1), presumably since 1960, has been produced by the Leningrad Mechanical Plant "Leninets". Synchroscope type "C1-5" is designed for the study of pulse periodic processes in laboratory conditions. Presumably, since 1948, the same synchroscope has been produced under the name "SI-1".
