• A User’s manual (this PDF should be printed duplex and then folded). This comprises a comprehensive description of programming the machine, including an instruction set reference, example programs, and a manual listing of the firmware (the monitor). All text in this manual is in uppercase.

• A Technical manual (here’s the Contents page/Front cover, and here’s the full PDF of the manual). This includes parts lists and other hardware details, including construction hints and tips (and an errata slip, added to the back).

• A Price List, dated March 1979. Note that in this list the prices are in British Pounds (then worth about $2.12 US) and do not include Value Added Tax (VAT, then 8%).

• Schematics for both boards.

Here’s the Cover of the User’s manual:

(Spot the typo.)