Builder's hardware; a manual for architects, builders and house furnishers . Front Door Lock. Russell & Erwin. Chapter XI. P. &F. Corbfn. Russell & Erwiii. 204 Chapter XI. BUILDERS HARDWARE. J. B. Shannon& Sons. directly against E, and sodraws back the latch. Inorder to secure the outsideknob, the catch on theface-plate is pushed up,throwing the slots on thelever F, Fover a shoulderon the outside-follow. Fig-ure 320 is another front-door lock by the samemanufacturers. Figure 321 is a veryexcellent lock manufac- Fig. 32 1. Front-Door Shannon & Fig. 3 20. Front-Door &
Builder's hardware; a manual for architects, builders and house furnishers . Front Door Lock. Russell & Erwin. Chapter XI. P. &F. Corbfn. Russell & Erwiii. 204 Chapter XI. BUILDERS HARDWARE. J. B. Shannon& Sons. directly against E, and sodraws back the latch. Inorder to secure the outsideknob, the catch on theface-plate is pushed up,throwing the slots on thelever F, Fover a shoulderon the outside-follow. Fig-ure 320 is another front-door lock by the samemanufacturers. Figure 321 is a veryexcellent lock manufac- Fig. 32 1. Front-Door Shannon & Fig. 3 20. Front-Door & Erwin, tured by J. B. Shannon& Sons, so arrangedthat the knob comes be-tween the night-latch andthe lock-bolt. It will benoticed that the leversand the posts are notchedin the same manner aswas explained for someof the dead-locks. Thelatch is moved by meansof a lever, A, under-neath the upper set oflevers, A being attachedto the latch-bolt. This very secure lock. FRONT-DOOR LOCKS. 205 Figure 322 shows a variety of the Niles front-doorlock, which is quite simple in its arrangement. The latch isworked by the lever A. A very simple but efficient lock is shown by Figure latch-key works through a curtain. A, raising the leversuntil the post, B. and with it the plate and the latch can be Chapter XI. A. (J. Newman.
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