Builder's hardware; a manual for architects, builders and house furnishers . Fig. 184. Sash-fast. Russell & Erwin. Plain LeverSash-fasts 12G B UILDERS HA RD WA RE. Chapter VIII. the lever swinging only half around in one direction, the gainthereby being that the back spring can be made longer andstiffer, without increasing the size of the sash-fast. Figure 184 represents a variety of sash-fast, in which thelever is on the lower sash and hooks over an inverted peg onthe upper sash. The Judd sash-fast, Figure 185, has a. Fig. I 85. Judd Sash-fast. shoulder on the side of the lever so arranged th
Builder's hardware; a manual for architects, builders and house furnishers . Fig. 184. Sash-fast. Russell & Erwin. Plain LeverSash-fasts 12G B UILDERS HA RD WA RE. Chapter VIII. the lever swinging only half around in one direction, the gainthereby being that the back spring can be made longer andstiffer, without increasing the size of the sash-fast. Figure 184 represents a variety of sash-fast, in which thelever is on the lower sash and hooks over an inverted peg onthe upper sash. The Judd sash-fast, Figure 185, has a. Fig. I 85. Judd Sash-fast. shoulder on the side of the lever so arranged that a knife-bladewould catch on it and be broken before the lever could bemoved sufficiently to open the window. Figure 186 shows a Fig.
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