Second, the erector is shown hangingthe arch-bar casting from which thetile are suspended. The tightening oftwo bolts attaching this arch bar to thehangers that hang on the flanges of thesupporting beams, is all that is neces-sary to attach this casting. … Third, each No. 1 or No. 13 tile is hungindividually on the arch-bar—hunglike a pendulum, free to move for-ward or backward as the contractionor expansion of the arch demands. Illllllllllllil I Page Forty-four IllllllllllllllllllllllllllllllllllllllllllllliUllllllllllllllllllll ■Ill D E T R I C K
Building materials · Masonry · Refractory masonry · Flat arch
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