Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 354
plated as desired), and 5or 6 inches high, but notmore than 4 inches widefor a i^-inch door. When there is room fora track above the doors,they may be suspended attheir centres by swivel car-riers rolling on an over-head track the same asused for parlor doors, thedoors turning on the swivelas they… … 352 IUILDING CONSTRUCTION. similar to the one shown in Fig. 341, screwed to the face of the door,instead of butts, and at least three hinges to a fold. Balanced Doors.—The outside doors of freight elevator shaftsand also of freight sheds are usually hung to slide up and down, asthere is not…
Building
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