This early issue 2 Spectrum has some modifications to the system board (pictured). Serial number 001-019020. Kindly donated by Ruth Bramley.
Prototype Issue 2 ZX Spectrum Manuals:
Prototype Issue 2 ZX Spectrum Articles:
Magazines RELATED to Prototype Issue 2 ZX Spectrum in our Library
Other Systems Related To Prototype Issue 2 ZX Spectrum:
This exhibit has a reference ID of CH32957. Please quote this reference ID in any communication with the Centre for Computing History.
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