130 SASH WINDOWS ON 1 NEW CONSTRUCTfON. 



simrlar manner; beside which, by pushing two small springs 



back in tiie upper sheet, aiid at the same titiie pulling the 



sash inw urds, you may turn the outside of the sash toward* 



you, into the room, so that it may be easily painted, glazed, 



Qr irleaned by a person standing within the room, without 



the necessity of removing the slip^ or .headings, by domg 



which, in the common mode, the glass is frequently 



broken and the beads lost, left looof, or mismatched, and a 



Another ad- considerable expense incurred. By turning the lower sash 



▼antage. ^f ,py invention in a horizontal or inclining direction, you 



can look into the street without being wet in rainy weather, 



or the rain driving into the room and damaging the furni- 



The expense ture. Old windows maybe altered to act upon this princi- 



tiifling, either p(g^ .^^ jj,j expense of twelve shillings per window ; awd new 



sashts. sashes and frames may be thus made for only six shillings 



more than the common price. 



1 remain, Sir, 



Your obedient humble Servant, 

 GEORGE MARSHALL. 



Keference to the Delineation of Mr, MarshalVs Window^ 

 Sash, fig. 3, PI. IV. 

 Explanation of A A represents the window-frame; BB the lower, and 

 the plate. Q Q the upper sash. The frame A A is fitted with grooves, 

 weights, and pullies,' in the usual manner; the fillets on 

 the sash, which enter the grooves, are not made in the same 

 piece with the sash-frani<?, but fastened thereto by pivots 

 'about the middle of the sash ; upon these pivots the sash can 

 he turned as at C C, so as to get at i\\e outside without 

 disturbing the fillets or grooves; when' the sash is placed 

 vertically, as at 13 B, two spring-catches at a a shoot into 

 and take hold of the sliding fillets, so that in this state the 

 sash slides up or down in' the usual manner ;' but it can be 

 immediately released, and turned inside out, by pushing 

 back the springs, and at the same time pullin^g the sash in- 

 * 'wards; this turns the outside townj-ds the room, so that the 



sash may easily be painted, glazed, or cleaned' on the out- 

 side by a person within the room, without removing the 

 'beads, which confine the sash to slide up atfd down verti- 

 cally-, in ^e common way these beads are freijuently broken 

 ■,*;.. «i;' • ? '*. or 



