Kidder, Frank E. (Frank Eugene), 1859-1905, Nolan, Thomas, 1857-1926 · New York : W.T. Comstock · leaf 370
e changed or a new cyl-inder obtained with a change of tenant. The advantage of this lies inthe fact that duplicate keys are often given out, some of which maybelost or may not be returned when the office is vacated, and thus someunknown person may have access to the office. By changing thelock… … Fig. 390.—Yale Protected Strike. 368 BUILDING CONSTRUCTION. 224. Night Latches.—These consist of a latch operated fromthe outside by a key, and from the inside by a thumb knob or slideA stop is always provided for holding back the latch when desired.They are made both rim and mortise, but the rim…
Building
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