Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 363
oth sides of thedoor, and also a latch bolt operatedindependently by a thumb latch fromeither side. The thumb latch and handleenables heavy doors to be more easilyswung than by knobs, and the door being usually locked only at night,a spring bolt is not necessary. Store door locks of the better… … 6 u Fig. 378.—Knob Latchwith Thumb Bolt.
Building
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