Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 338
of a metalthat will stand more wear thanthat of the butts. The smallest butts have twobearings and three knuckles,and those 4 inches high and overhave four bearings and fiveknuckles. The loose-joint butt has onlyone bearing. The second advantage possessedby the loose-pin butt, and prob-ably the one… … Fig. 343.—Loose-Joint Butt. 336 BUILDING CONSTRUCTION. With loose-joint butts the part containing the pin must be screwedto the jamb, which necessitates making the butts in rights and lefts.To tell whether a door is right or left-handed is often confusing, butif the following simple rule be…
Building
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