Vintage Processor Technology Sol-20 Badge

Vintage Lexicon LEX-11 Acoustically Coupled Modem Dataphone Coupler Telephone

Processor Technology 3P+SI/O S-100 Board

Original S-100 Imsai EPROM Card Prom 4 California Computer Blank Project Board

Needhams EMP-20 Module Set - Full Set - 17 Modules

Four Phase IV/90 vintage computer memory board - 48 chips

Macrotech Intl MSR-II S-100 Board

Processor Technology 3P+S Board For S100 Computers - ALTAIR / IMSAI