... it would take "several millions of dollars and several years" to reassemble and test the intricate network of custom-built switch relays on which the two lines rely.

This guy is off his rocker. First off this junk was probably 75 years old so why would anybody want to replicate it? There is probably nobody still alive who could do it anyway. I'm sure it could be done today with a system the size of a breadbox. Apparently this controls only a 1/4 mile of track!

Telephone central offices get destroyed all the time. In terms of intricacy they make this look like a childs toy yet they are replaced in a matter of days or weeks.

-Hal