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Anyone know the secret history of the gray era 12v/4.5v system? - LEGO Train Tech - Eurobricks Forums
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Daniel Bowen on Twitter: "This is bringing back some memories. I had 7740 and 7727 https://t.co/5unAb0JdTG (In my mind, DB was me, not Deutsche Bahn) #FlashbackFriday https://t.co/JmAInlWvmP" / Twitter
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Making Trains Move: The History of LEGO Trains, Track, Motors and More - BrickNerd - All things LEGO and the LEGO fan community
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