Minimal testing or inspections was done to it. You would need to probably verify the accuracy if it works. This is an old item and it shows. You can google this item and model to read more about it.
Peerless Instrument Co Model 130 Timing Light Serial No B27953 Vintage
Vintage Peerless Instrument Co. Acp-5 Timing Light AC Powered. NOT TESTED. E31
PEERLESS INSTRUMENT PULSAR 465 ELECTRONIC IGNITION ANALYZER VINTAGE Garage Tool
Peerless Instrument Pulsar 465 Electronic Ignition Analyzer Vintage (A) As Is
Peerless Instrument Pulsar power balance model 880
