Re: Frisco “Sawtooth” boxcar photo - North/south, east/west longitude/latitude

Dave Parker

The Oxford dictionary definition of longitudinal is (1) running lengthwise rather than across (not "length"), (2) relating to longitude; measured from east to west (sorry Schuyler, you're off by 90 degrees).

The comparable definition of latitudinal is "
relating to the position of a place north or south of the earth's equator".

IOW, latitudinal does not seem to have a non-geographical definition in modern usage.  But, it implicitly means perpendicular to longitudinal, which is why I have no real problem with the MCB/ARA/AAR usage for those short running boards at each end of many house cars.  It is what it is.
Dave Parker
Swall Meadows, CA

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