San Francisco : Architect and Engineer, Inc · leaf 436
te Professor Wal-lace C. Sabine, of Harvard University, Professor F.R. Watson and Bureau of Standards. They are forthe standard pitch of 512 vibrations per second. Units per sq. ft. Open Window 1.00 Plaster, Hardwall or Stucco .. .025 to .034 Concrete .. .015 Brick set in Portland Cement 025 Marble… … Lob4GiTODirvi<»vi_ ViewFIG. 1
Architecture · Building
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
