7 Vintage Epsco marine Loran S100 type 1970s computer circuit boards, backplane

Unknown Rare Vintage Computer Transistor TO Package Integrated Circuit Board

VINTAGE 2000 COMPUTER MONITOR. 19" NEC MULTISYNC MS95. GREAT SHAPE OVER HALF OFF

Vintage 1960's Computer Circuit Board - Philco Surface Barrier Transistors (SBT)

Vintage 1970s Philtek CL-707 R3 Computer Industrial Circuit Board 36-Pin Card

1963 Vintage Computer Circuit Board 1960's Flip flop 8070 Rare Collectors Item

Vintage 1981 ASTEC AA 11760 Computer Circuit Board - Hong Kong - Parts

Vintage Burroughs Computer Circuit Board Card 9" x 5" many ICs 1 transistor