Terminal Internet Communications Pack for Apple Macintosh Mac 512K / 512Ke + Raspberry Pi.

Choice of 400k or 800k boot floppy. Custom adapter PCB. USB to Serial cable.
Runs over serial at 9600,n,8,1.

Includes
1 Bootable floppy disc with Mac Terminal on it.
1 Custom adapter PCB RS422 to RS232
1 USB to Serial cable

Surf the internet with Lynx text browser. SSH into modern servers. Telnet to BBS's. All running on the Pi.

You supply the Pi and the Mac 512K. We supply the items shown in photo 1. 

You need to turn on external serial access on your Pi with sudo raspi-config
There's a photo on the listing of the other command lines required to start the remote /dev/ttyUSB0 Terminal service.

Shipping via Royal Mail, UK (48 hours) & Worldwide (7-14 days).

(Not suitable for Mac 128k or Mac Plus)