INDEX 267 



PAGE 



Pipe 



covering for 218 



frame 64,88 



paint for . . . . . . . 116 



steel . 



wrought iron ....... 89 



Pit for hotbed 17 



Pitch of roof 42, 45-46 



Plans and estimates . . . . . 256 



basis of ........ 257 



detailed estimates for greenhouses . . 259 



information required for .... 262 



Plant forcers ....... 29 



Pressure systems of hot water heating . . . 183 



Propagating house ...... 4 



Pumps 



capacity of ....... 229 



for circulating hot water .... 180 



kinds of . . 227 



power required for ...... 229 



steam 198 



Purlins . . ' . . .. ' . . . 74 



Putty 104 



estimating . . . . . . 107 



liquid . 112 



Putty bulb . .108 



R 



Radiation, how to estimate ..... 171 



Rafters .... 



Rams, hydraulic ... ... 



capacity of ... . 



double acting ....... 236 



plan for installing . . . . . . 233 



Range of glass, a ....... 5 



Ridge 75 



Ridge-and-furrow houses ..... 56 



Roof, pitch of 42 



Sash 11 



cost of ... 



glazing of ... 



kinds of ..... 



temporary ....... 16 



Sash-bars . ...... 69 



spacing of . . . . ; . 87 



