I understand that some rolling stock manufacturers made use of a "reflectoscope" device to inspect the metal, but I don't know much else about this instrument.Does anyone know if this is true?
How was this noted on the cars, if they were manufactured with this technology? I heard that it was a lightning bolt figure.
Please refer me to any pictures or diagrams of this symbol or whatever notation they used.
What lines did these cars end up on? C & O?
Thank you for the info.
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