Racal-Dana 5002 Wideband Level Meter, DC to 20MHz

Racal-Dana 11-1540 Sensing Head 6V AC / 100V DC

Racal-Dana 11-1478 Sensing Head 6VAC, 1000VDC, w/ 23-3329 Load

Racal Dana 1992 Model 1992C Nanosecond Universal Counter IEEE488 with Options 04T/55