Thorpe, William Henry · London, E. & F.N. Spon, limited; New York, Spon & Chamberlain · leaf 21
eightcarried keeps them in position, or if, in the case of verylight girders upon separate plates, it is considered well tosecure these from shifting, it may best be done by lettingthe plate in bodily a small amount, or by means of a veryshallow feather sunk into a chase. As an improvement upon the… … Pig. 3. stone, if there be one, by means of a simple rectangukr plateof sufficient stoutness (Fig. 3). An imperfect knuckle willby this means result, with freedom to slide, and the girderspan be defined within narrow limits. A true knuckle is, ofcourse, the best means of securing imposition of the…
Bridges
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