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Weezbo
Member Posts: 6,232
off i wander for the rest of the story *~/:)
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Very special thanks
to Jim Gaynor, P.E. of JSA Architects in Pittsburgh for finding, scanning and sharing the National Heating Guide, Blue Book of the Industry for 1930. It is now in the Library for everyone to use.
Such generosity. Thanks, Jim!
National GuideRetired and loving it.0
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