Re: Blue "Tank Car Connected" Sign

Tony Thompson

John Sykes wrote:
Richard & Tony:
What was the vintage of that photo? Reason I ask is I thought the specific messages were a later addition (e.g., post-OSHA as previously pointed out). Would you have seen this text prior to 1960? Just trying to find out (OSHA codified many already common practices, so could be either way).
John, I will send you the photo.

Tony Thompson Editor, Signature Press, Berkeley, CA
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