Builder's hardware; a manual for architects, builders and house furnishers . imby Sash-fast. Jenkins & Timby. Figure 211 represents the Attwell sash-fast, which differsfrom the foregoing chiefly in that the levers are worked by asingle spindle, coming through the window-frame onto the faceof the finish, and so arranged that when the spindle crank isturned up, the upper lever is drawn back without moving thelower, and vice versa. There are a few forms of sash-fasts which will hold the win-dow in any position. Figure 212 is a very common form, con-sisting of an excentric cam which screws to the
Builder's hardware; a manual for architects, builders and house furnishers . imby Sash-fast. Jenkins & Timby. Figure 211 represents the Attwell sash-fast, which differsfrom the foregoing chiefly in that the levers are worked by asingle spindle, coming through the window-frame onto the faceof the finish, and so arranged that when the spindle crank isturned up, the upper lever is drawn back without moving thelower, and vice versa. There are a few forms of sash-fasts which will hold the win-dow in any position. Figure 212 is a very common form, con-sisting of an excentric cam which screws to the face of the sashand wedges against the stop-bead, holding the sash by 213 and Figure 21-4 are used chiefly for car work, theformer acting in the same manner as Figure 212, while thelatter works into slots in the jamb. The sash-fasts thus far considered include all the principal Excentric Cam-fast. 138 B UILDERS HARD IVA RE. Chapter vui. forms commonly known to the hardware trade, as well as typesof many styles which have only limited sales. It would be. Fig. 2 Atwell Sash-fast. impracticable to attempt an enumeration of all the sash-fastswhich have been put on the market throughout the country, nor would any such list be of greatvalue. The forms discussed andillustrated, will, it is believed, serve
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