AT&T Telessentials Communications basics TC1601

In the 80's and 90's apple released the Apple User Group Connection video quarterly and sent it to the many Apple User Groups around the country.
This video deals mostly with the introduction of Macintosh System 7. There is also a comparison of system 7 and Windows 3.0, and a discussion of networking a Macinotsh in a multi vendor environment that might have Novell Netware, IBM mainframe or mid range machines and DEC VAX machines.
This is form a commercially duplicated VHS tape.