therefore itsshrinkage cannot affect this truss. Figure 4 shows two different modes of obtain-ing the same kind of effect. In one of these ashort piece, G, is inserted, and connected tothe tie, B, by a strap. In the other, the con-struction is the same as fig. 3, excepting that apiece, HI, is… … GOTHIC ORNAMENTS. subject is one of the most important in thescience of Carpentry. Let ABC (fig 5,) be a truss, to support apressure to be applied at A ; the action of thepressure will tend to spread the abutments Band C apart; and the nearer we make the angleBAC to a straight line, the greater…
Design · Decoration and ornament · Art
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