Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 425
Fig. 56. Chain Bolt, Allowiug Door to be Partially Opened These springs are aUvays in action, so that, if it is ever desiredto leave the door open, some appliance must be used to accomplish 347 36 HARDWARE this purpose. As they do not generally permit the doors to swingback against the wall where… … Fig. 57. Refrigerator Clamp. There are also on the market types of patented bolts, one ofwhich, when pushed by the foot, is forced by a strong spring against thefloor* the end of the rod is protected by a heavy rubber buffer, the
Architecture · Building
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