Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, Comstock · leaf 797
that if a carriagewheel strikes the bumper the hub will not scratch the brick jambs.Such bumpers may be inade either of some hard stone or of iron.The jambs of the outside doorways to freight elevators also, andof the delivery and receiving doorways in mercantile buildings,should be protected to a… … 3/2 of an inch thick, as it is easier to fasten castings to a wall thanit is to fasten plate-iron. The castings, or plates, should be madewith lugs on the inside pierced with holes for clamping themsecurely to the brickwork as the wall is built. Fig. 619 shows a section of one of thealley piers of…
Building · Carpentry · Masonry
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