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Re: Chaining?

Posted by Jeff H. on Mon Mar 23 04:39:40 2009, in response to Chaining?, posted by mshull on Sun Mar 22 01:16:09 2009.

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Re 4 and 7: The IRT practice was to number the tracks inside out
and backwards 4-2-1-3. If there is a need for a second piece of
signal apparatus within the same 100-foot chaining section, then
the numbers repeat 8-6-5-7. So "7" is the same as "3". Look
around, there is probably something with a plate of 2243 nearby.

Btw,
last digit of 0 or 9 was used for special conditions such as
junction boxes.

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