Vintage Heathkit Model eT-3400 Microcomputer damaged case

Vintage Heathkit Model ET-3400 Microcomputer Trainer Microprocessor MC6800

Vintage Heathkit Model ET-3200 Electronic Design Experimenter - Powers On

HEATHKIT ELECTRONIC DESIGN EXPERIMENTER MODEL ET-3100B/NEW

Heathkit ET-3700 Digital Trainer

Working Vintage Heath Company ET-3200 Heathkit Digital Design Experimenter

VINTAGE IBM 5150 PERSONAL PC COMPUTER POWER ON NO FURTHER TESTING.

homebrew (DIY or custom-built) vacuum tube-based electronic test instrument