Anyone remember the Psion Organiser 3a series? It came on the market in 1993 and was a great way of helping with work when on the move.
It had many features one of which was this 800 x 480 pixel map of London Underground, designed by curator of Swindon Museum of Computing Simon Webb. As well as the 2400 lines of code needed to make the map Simon had to redesign for the black and white screen, a difficult task if you consider how many colours are on the original map. The map was bigger than the display so you had to scroll left to right if you were traveling from Uxbridge to Theydon Bois, there was also the option to double up in size for close up.
To see more fascinating technology old and new visit the Swindon Museum of Computing. For details go to www.museumofcomputing.org.uk
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