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mounted.within one of the channels, means for detachably securing one of said sections within the channel, and a sectional bead- strip mounted within the' other channel and 5 the sections of the said strip being renov-. able. 4. A sash comprising top, bottom and side rails and a glass-retaining cap detachably mounted within each of said rails and formed 10 of sheet metal, said cap having an aperture therein constituting a drain. 5. The combination with a frame,; of a lower sash having a balance-weight perma- nently connected thereto, a longitudinally- 15 movable flexible device connected to the sash and supported by the frame, and fusible means upon the sash adapted when the sash is raised to engage the flexible device to sup- port the sash. 20 6. The combination with a window-frame, of an upper and lower sash mounted therein, weights permanently connected to the sashes,
weighting means inclosed within the upper sash, thermally - operated means for auto- matically releasing said weighting means, a 25 flexible device supported by the frame and secured to the lower sesh, and fusible means upon said lower sash adapted to engage the flexible device and support the lower sash in raised position. 30 7. The combination with a sheet -metal sash having a receptacle therein provided with an outlet; of weighted devices mounted within the receptacle, and a fusible closure for the outlet extending into contact with 35 the sash and projecting thereabove. In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses. WILLIAM HENRY MILLER. Witnesses: C. V. HERvEY, THEO. A. JAEGER.