Builder's hardware; a manual for architects, builders and house furnishers . Fig. 203. Sash-fast. E. Robinson. Fig. 204. Sash-lock. Enoch Robinson. plates removed, to illustrate the construction. A very similarfast is shown by Figure 203. This, however, is not self-lock-ing, as the top of the lever must be pressed in to force out thelower portion. Both of these appliances might almost beclassed as sash-locks, instead of sash-fasts. Figure 204 shows a variation of the last form of sash-fast,working without springs of any sort. This is a neater lookingform than Figure 203, and perhaps a trifle s
Builder's hardware; a manual for architects, builders and house furnishers . Fig. 203. Sash-fast. E. Robinson. Fig. 204. Sash-lock. Enoch Robinson. plates removed, to illustrate the construction. A very similarfast is shown by Figure 203. This, however, is not self-lock-ing, as the top of the lever must be pressed in to force out thelower portion. Both of these appliances might almost beclassed as sash-locks, instead of sash-fasts. Figure 204 shows a variation of the last form of sash-fast,working without springs of any sort. This is a neater lookingform than Figure 203, and perhaps a trifle stronger in princi- Chapter VJII. Ticket-office Sash-iasts. 134 BUILDERS HARDWARE. Chapter VIII. Gravity Sasli-fasts. pie. Variations of these forms are manufactured under severaldifferent patents. A self-locking fast of the description of Figure 202 has thedisadvantage that the bolt must be held back when the windowis to be raised, and, if the sash should bind, it is rather awk-ward to attempt to hold back the bolt with one hand andmove the sash with the other. There is a
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