Foundry Symbol : Who used X in Shield??

Kurt Laughlin <fleeta@...>

Does anyone recognize the 1940's era foundry symbol shown in the second column here:

It is an X in a shield. I have a foundry association handbook but it doesn't list the foundry using this symbol. Perhaps you've seen in an ad in Railway Age, in a CBC, or on a truck frame or coupler?

Thanks in advance,

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