Builder's hardware; a manual for architects, builders and house furnishers . lever F takes the positionshown by the figure. If the cam R is then turned to the left,it so acts on the lever as to cause it to draw back the latch, a single key serves both to unlock the dead-boltand to draw back the latch. The Yale lock has, of course, won for itself a host of Chapter XI. Yale Master-Keyed Lock. Yale Frout-Door Lock. 218 BUILDERS HARDWARE. Chapter xi. imitators in the hardware trade. The closest approach to the Yale system is embodied in an escutcheon lock manufac-tured by P. & F. Co
Builder's hardware; a manual for architects, builders and house furnishers . lever F takes the positionshown by the figure. If the cam R is then turned to the left,it so acts on the lever as to cause it to draw back the latch, a single key serves both to unlock the dead-boltand to draw back the latch. The Yale lock has, of course, won for itself a host of Chapter XI. Yale Master-Keyed Lock. Yale Frout-Door Lock. 218 BUILDERS HARDWARE. Chapter xi. imitators in the hardware trade. The closest approach to the Yale system is embodied in an escutcheon lock manufac-tured by P. & F. 338 illustrates internal arrangement isexactly the same as in theYale lock, so far as re-lates to the pins, etc., but theplugs are cut with square-edged, instead of zig-zag slots, also, are not car-ried entirely through theplug, but extend only througha thin face-plate, behindwhich is a wide slot exactlylike that of the originalYale locks. This seemslike an imitation of, but innowise an improvement on the original, and is considered by. Fig. 338. The HarvardCorbin.
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Keywords: ., bookcentury1800, bookdecade1890, bookidbuildershard, bookyear1890
