heathkit IT-10

Heathkit Daystrom Model IT-10 Transistor-Diode Checker Unmodified Vintage

New Heathkit #63-642 Rotary Switch

HEATHKIT MODEL IT-10 TRANSISTOR DIODE CHECKER MANUAL - ORIGINAL

Heathkit #63-1290 Rotary Switch for IG-5228

Heathkit Transistor Checker Kit Model IT-18 Tester Vintage Untested IT18

Vintage Electronic Circuit Boards Lot of 3 with Components Untested

Heathkit Daystrom Model IT-10 Transistor-Diode Checker w/ Manual ✅️TESTED