Elementary building construction and drawing : stage 1 (1907)
Burrell, Edward J · London : Longmans Green · leaf 73
62 Building Construction generally at right angles to the back of the rafter, in order that the bearing surface may be at right angles to the line of pressure. In the same figure the tenon is shown cut back from the St toe of the rafter. Care should be taken to keep the mortise as shallow as… … dotted lines. Their use is further illustrated in the chapter on Wood Roofs. It is usual in practice when framing rafters into tie beams to leave the joint slack at the heel of the rafter, to allow for the settlement which inevitably occurs.
Building
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
