AMPROBE AC Volt-Ammeter Recorder Model LAVA84 Part No 88-870

AMPROBE AC Volt-Ammeter Recorder Model LAVA84 Part No 88-871

Amprobe Instruments AC Volt Meter Recorder

Lava Model, Amprobe AC Volt-Ammeter Recorder, Untested

AMPROBE AC Voltage Current Chart Recorder

AMPROBE AC Volt-Ammeter Recorder Model LAVA82 Part No 88-870 FOR PARTS UNTESTED