Military title is :
Circuit tester low voltage QMC model 1.42
Made by King instruments , Cleveland Ohio
Complete as shown in photos , includes manual , dated 10-43
11"x9 1/2" x 8 1/2"
15 pounds approximate.
6 and 12 volt systems with generator and regulator can be tested along with starter circuit.
detailed instructions for lighting circuits and ground circuits.
Metal case in good condition , some paint scuffs.
Neat piece for old garage or station display , or maintain your vintage vehicles.
Untested other then all switches operate in full travel.
Looks like it had minimum use.
$115 plus shipping, do a search , a good price.
Send zip in a private message
Thanks
Roy