Link to original source: http://www.computinghistory.org.uk/det/51620/Sinclair-ZX-Spectrum-Prototype http://www.computinghistory.org.uk/det/51620/Sinclair-ZX-Sp

Link to original source: http://www.computinghistory.org.uk/det/51620/Sinclair-ZX-Spectrum-Prototype http://www.computinghistory.org.uk/det/51620/Sinclair-ZX-Spe... HN Guidelines: "Please submit the original source. If a post reports on something found on another site, submit the latter." https://news.ycombinator.com/newsguidelines.html https://news.ycombinator.com/newsguidelines.html