1983 Prometheus Pro-Modem 1200 vintage print Ad

1986 Avatex 1200 Baud Modem Commodore 64 Apple IBM Vintage Ad

1989 Hayes Smartcom III Vintage Print Ad Modem Software Disk

1983 Commodore 64 Mitey Mo Modem Print Ad Vintage Original Tech Microcomputer C6

ITHistory (1991) APPLE Software MACKNOWLEDGE 1.04MW D 3.5" Prometheus (No Manual

ITHistory (1993) IBM PC Software MULTI MODEM PCS Demo (MultiTech) 3.5"

Code-a-Phone Tel-A-Modem Telephone Vintage 2-Page Print Ad 1984

Timeplex Data Network Modem Dial Up IT Computer Tech Vintage Button Pin Pinback