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London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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@Build
Dan, just posted up how to do it. To read it, you need to sponge the screen with diluted iodine (about 10drops iodine [from the pharmacy] in half glass of water)
Wait for about 2 mins and the text will appear dark blue or purple on light blue or purple background.