Index. 



171 



Drainage, field, aeration of soil by, 

 temperature increased by, 



;8 



increased value of land 



by, 41 



m, 42 



time to put field drain 



depth of, 43 



distance apart, 44 



direction and fall, 44 



pipes, 48 



cost of, 49 



— . table of number of pipes 



required per acre, 49 



setting out and levellingy 



47 



use of boning rods, 47 



Dredging machinery for cleaning 



drains, 20 

 Drivers of engines, 60 



East Fen drainage, 3, 1 10 



Easton & Anderson, as to cost of 



wheels and pumps, 54 

 exhibition of centrifugal 



pumps, 93 

 diagram for centrifugal 



pumps, loi 



machinery erected by. 



III, 119, 122, 126, 133, 155 



Efficiency of scoop wheel, 85 



centrifugal pump, loi 



engines, loi 



Egress, angle of, for scoop, 75 



Engineer,' 'The, description of 

 machinery, 24, 28, 102, 121 



* Engineering,' description of ma- 

 chinery, 22, 157 



Engines used for driving pumps 

 and scoop wheels, 55 



horse-power, description of 



meaning, 166 



management of, 60 



general description of, 60 



Engines, attendants on, 61 



simplicity of construction 



desirable, 58 



power required for pumping, 



64 



tables showing W.H.P. re- 

 quired, 162 



— running of, at night, 64 



— coal consumed by, 61 



— drains, 63 



XT 



r . 



Fall in surface of drains, 1 1, 14 

 Farcot & Co., machinery erected 



by, 156 

 Fascines, training outfalls by, 



31 



Ferraby sluice, 30 



Ferrara Marshes pumping station, 



134 

 Field drainage, see Drainage 

 Float wheel, see Scoop Wheel 

 Floats, 74 



Fondi pumping station, 137 

 Fos pumping station, 135 

 French weights and measures, 159 



G. 



Gainsborough, trials of portable 



engines at, 61 

 Gallejon pumping station, 137 

 Garonne river, 19 

 Gibbs & Deane, pumps for Lake 



Haarlem, X42 

 Glassmoor pumping station, 126 

 Glen river, 21 

 Glynn, J., 73 



Gouda pumping station, 148 

 Gravitation, drainage by, 7 



compared with steam power, 6 



Grootslag Polder, pump for, 103 

 Guppy, T. R., description of Fondi 



station, 137 

 Gwynne & Co., machinery erected 



by, 151, 152 



