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396 pages of history

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Weezbo
Weezbo Member Posts: 6,231
in THE MAIN WALL
off i wander for the rest of the story *~/:)

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  • DanHolohan
    DanHolohan Member, Moderator, Administrator Posts: 16,686
    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 Guide
    Retired and loving it.
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