Anthony Thompson <thompson@...>

Guy Wilber wrote:
Morton did not produce a rectangular grid running board. The Morton 'Open Grip' design was amongst the first steel running board designs approved by the AAR's Safety Appliance Committee (circa 1945). The design was also produced in aluminum in later years. Morton's design was approved for house cars and LO types but was never approved for the longer span required on tank cars.
Thanks, Guy. I was not aware of a rectangular-grid by Morton but wasn't sure one never was made.

Tony Thompson Editor, Signature Press, Berkeley, CA
2906 Forest Ave., Berkeley, CA 94705
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Publishers of books on railroad history

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