ZX81 Keyboard Upgrade - 1

This model has been fitted with a 3rd party upgrade to the keyboard. It is a large, plastic device that is stuck over the original keyboard to make the buttons larger and easier to hit.

Manufacturer: Sinclair
Date: Unknown

ZX81 Keyboard Upgrade - 1 Manuals:

Item	Manufacturer	Date
Ground Control - ZX81 16K RAM Pack Instructions	Ground Control	Unknown
Sinclair ZX81 learning lab		1981
Sinclair ZX81 Learning Lab	Sinclair	1981

ZX81 Keyboard Upgrade - 1 Articles:

Item	Manufacturer	Date
Memories - Learning with the ZX81		Unknown
Sinclair ZX81 - Review		Jun 1981

Magazines RELATED to ZX81 Keyboard Upgrade - 1 in our Library

Item	Manufacturer	Date
Personal Computer World - June 1981		Jun 1981
Personal Computer World - January 1982		1 Jan 1982
Practical Electronics April 1982		Apr 1982
Personal Computer World - December 1983		Dec 1983
Practical Computing - June 1981		9 Sep 2009

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Sinclair ZX81 Issue One	Sinclair	5th March 1981
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Sinclair QL (US)	Sinclair	1984
Sinclair QL (Property of Sinclair)	Sinclair	1984
Sinclair QL	Sinclair	1984
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Sinclair ZX Spectrum +2	Sinclair	1986
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