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Prototype of the 1st ever zx spectrum

Posted: Sat Apr 13, 2019 12:49 pm
by RS232
I took some screen grab pics which give a clue to the morphing of the zx81 into spectrum from humble beginning- the umbilical chord if you like :-)

Published on Apr 3, 2019
Wires, chips, hand-written key caps, somehow this early version of the Sinclair ZX Spectrum survived. Jason Fitzpatrick of the Centre for Computing History demonstrated.