Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 157
cient to withstand the horizontalthrust of a principal rafter, and blocks may be used at the ends where the rafters abut to give additionalstrength. Scarfing a timber in a perpendicular direction.—When the top surface is divided into nine squares, iffour are cut down, the other five serve as tenons… … Partitions and framing for the outside of buildings, etc., Fig. 2459, are a species of timber walls,usually covered with lath and plaster, and formed of upright posts, mortised into a head and sill,braced in different directions, and filled in with quarters. The posts are placed at the extremities,…
Mechanical engineering
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