Cyclopedia of architecture, carpentry, and building; a general reference work .. (1912)
American School (Lansing, Ill.) · Chicago, American school of correspondence · leaf 144
Fig. 145. Partition Supported by StripsSecured to Under Side of Joist … Fig, 146. Header and Trimmer Construction bolts or lag screws. Partitions which run at right angles to thefloor joists can also be supported in this way. If a partition runsat right angles to the joists near the center of their span, the tendency 118 CARPENTRY 101 for the joists to sag under it…
Architecture · Building
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.