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If I understand correctly, those are probably Whit Form not BSC.  But Whit Form is not BSW?  Is there a standard nomenclature for Special BSW?


I will try to capture some of that in the header.  I show BSC (CEI) because even in the 60 your would see books specifying CEI even though it was long gone officially.  At least, in theory, CEI was covered by BSC.  You probably know that my database started as the Stainless Bits pages (with permission).  Ever since, I've been trying to improve, add, fix anything found wrong, a while back you mentioned that there was probably no Phillips and I had all the Posidrive listed as Phillips -  that was changed that day.


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