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Posted by Robert Swinney on August 4, 2008, 5:55 pm
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Geeze, Ed ! Thanx for the information; esp. the research timeline. My
curiosity re. lard oil comes
from reading old books and articles. Its use was apparently de rigueur in the
old days. I have not
found any modern definitions of the term, except for yours. Personally, it is
more of a historical
curiosity with me. I generally use Tap Matic for turning and the Black
Sufphurized mess for
threading.
Bob Swinney
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