I recently saw a length of rail marked "BS Co LACKAWANA OH IX 1929 100 A"
I understand it through the OH as well as the 1929 100, but what is the IX? Roman numeral 9? What information is it trying to convey?
What is the A?
IX = September
A = Section (Sure there aren't a few more letters, like AR-A or AR-B?, its the difference between AREA and AAR)
(Bethlehem Steel Co...Lackawanna Works...Open Hearth....(IX) September 1929...100 Lbs./Yd...A (RA--A.R.E.A. Cross-Section Design)
The "A" in this instance is probably Bethlehem Steel Co.'s shorthand designation for the "American Railroad Association - Type A" series of rail sections, also known as "100 ARA-A" and "100 RA". (It may also be for the A.S.C.E. series of sections, but I doubt that.)
For more info, refer to the "Tee Rail Sections Data" chart on the A & K Railroad Materials website:
thehttp://www.akrailroad.com/OnlineCatalog/RailJointBars/TeeRailSectionsData/tabid/76/Default.aspx
I'll add a little more info later, when I have more time.
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