This is amazing -- thank you for building this! Amusingly, I too ended up searching for British computers -- there's a good article here on the Cantabrian explosion here. https://byte.tsundoku.io/#198301-042
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I found an article[1] in the archives of BYTE magazine[2] - and was captivated immediately by the tech adverts of bygone eras.
This led to a long side project to be able to see all 100k pages of BYTE in a single searchable place.