Inside Out Library · Explore
Buildings (1922)
Chicago : Engineering and Contracting Pub. Co. · leaf 118
Section DD Bottom ViewFig. 41—Cover for Catch Basin, Manhole and Flush Tank. … T~h/s portion to beGr/a/r or Concrete Section A-A Fig. 42—Standard Concrete ManholeBuildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
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