Re: Inside view of NP circular roof construction

Alex Huff

In the series of photos, an overexposed image shows the interior end of the car and the roof.  Some roof supports (purlins) show damage from having been struck from below.

My speculation is that due to a severe overspeed coupling, the damaged tractor broke loose, tipped up crushing its cab against the end wall and the radiator hit the roof.  Perhaps the tractor in front of the damaged one rolled under the wrecked one, taking out the drive components which are now sitting on the loading dock, along with blocking which matches other interior photos.  All speculation of course.

Alex Huff, once upon a time a switchman who saw some seriously overspeed couplings.

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