268 INDEX 



PAGE 



Sash-beds 



attached to dwelling 28 



classes of . 2 



gable roof 30 



materials, care of 1 33 



Sash sill 65 



Semi-iron frame houses . . ' . . . 88 



Shading ; US 



Shaft hangers 130 



Shafting, ventilator . . . . . . . 128 



Shed roof greenhouse ...... SO 



Shutters 33 



Side hill greenhouse . . . . . . . 60 



Side ventilating machinery . . . . 126, 134 



Sliding shaft ventilating machine . . . 140 



Steam heating 188 



advantages of . . . . . . 160 



arrangement of boilers for . . . . 197 



arrangement of coils for . . . 191 



coils for 190 



general principles . . . . . 188 



high pressure . . . . . . 196 



vacuum and vapor systems . . . . 196 



Steam pumps and traps ..... 198 



Stove house ......... 4 



Structural material ...... 63 



Substitutes for glass ...... 113 



T 

 Tanks 



capacity of . ... . . 238 



expansion . 181, 187 



height of 237 



types of . 236 



Traps, steam return 198 



Truss framework 91 



U 



Uneven span greenhouses ..... 34 



V 



Vacuum systems of heating . . . 196 



Vapor systems of heating ..... 196 

 Ventilation ....>... 121-141 



overhead 124 



side , 123 



systems of ....... 124 



under-bench . ...>.. 125 



