Referendex : a manual of architectural specifications and construction information, catalogue announcements of manufacturers and dealers in building supplies. (1914)
Referendex Company · Referendex Company · leaf 49
draughtsman in theselection of any grade of in-strument desired. Our experience in the manufacture of the requ.remer>ts for the Scientific andDrafting Profession, with conscientious effort to produce instruments ofthe highest grade and materials of the best quality, has met with a hearty T^T r ,… … « 5 FOUNDATIONS AND EXCAVATIONS rOUNDATIONS ON DIPFERENT SOILS- Rock—Good foundation; if not level, shouldbe made so with stone cemented or eoncrete.Gravel—The best foundation*Sand—Good foundation, if dry, but nhvaysin danger of being washed away, such as byleaky drains, pumping operations…
Construction Materials · Architectural materials · Manufacturers catalog
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