Kidder, Frank E. (Frank Eugene), 1859-1905, Nolan, Thomas, 1857-1926 · 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 only-one bearing. The second advantage possessedby the loose-pin butt, and prob-ably the… … 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
Internet Archive · University of Connecticut Library · Public Domain Mark 1.0. Free to use for anything.