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There's also a version of "3 rail" where the 3rd rail is an outside rail, purely for electrical pickup. Is that too called 3 rail or just outside rail? I'm not an O scaler, so I don't know the answer to that question. I do recall the fine layouts by Frank Ellison and Minton Cronkite were of the outside rail variety. I think John Armstrong (the master of track planning and prototype operations) is also an O scaler of the outside rail variety, or perhaps was at some earlier time. Take care. <br /> <br />Greg
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