Builder's hardware; a manual for architects, builders and house furnishers . Fig. 47. Dutch-Door Bolt. Hopkint& Dickinson Manufg. Co. The Hopkins & Dickinson Manufacturing Co., has recently 40 BUILDERS HARDWARE. Chapter iv. put on the market a form of flush-bolt intended specially forDutch doors, that is to say, doors in two folds, 47 illustrates this. The bolt-plate is about seven incheslong, and is rebated to match the rebates of the doors. Theretail price of a single bronze bolt is $ Figure 48 illus-trates a chain and a foot-bolt. Engine-house bolts are made in a va
Builder's hardware; a manual for architects, builders and house furnishers . Fig. 47. Dutch-Door Bolt. Hopkint& Dickinson Manufg. Co. The Hopkins & Dickinson Manufacturing Co., has recently 40 BUILDERS HARDWARE. Chapter iv. put on the market a form of flush-bolt intended specially forDutch doors, that is to say, doors in two folds, 47 illustrates this. The bolt-plate is about seven incheslong, and is rebated to match the rebates of the doors. Theretail price of a single bronze bolt is $ Figure 48 illus-trates a chain and a foot-bolt. Engine-house bolts are made in a variety of forms generallyso as to permit of being opened easily, by a large catch or. Fig. 48. latch which throws the bolts up and down from bottom and cost from $6 to $9 each, though it is impossible to giveany fair general price as the bolts are made only to order. FRENCH WINDOW-BOLTS. French window-bolts are usually mortised into the centrestyle of one of the sashes and are so arranged that a crankor handle on the face of the sash will throw a bolt in eachdirection, so as to lock the window at the top and thebottom. Figure 49 is a form operated by a knob and setting it, the gearing-box or mechanism of the bolts canbe let into the door in the same manner as an ordinary mor-tise-lock, and the two rods dropped in through a hole bored thelength of the sash, the rods screwing into the hubs on the gear-ing-box. The retail price of this appliance is $ in bronze,including a bronze handle. Figure 50 is another form, similarin its action as regards the bolts, but intended to plant on theface of the sash. The crank handle drops into a catch on the BOLT
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