Index. 



^IZ 



Management of drainage engines, 



60 

 Mare Island Straits, deepening by 



scour, 24 

 Marozzo Marshes, pump for, 135 

 Marton drainage district, 50 

 Mersey river, deepening Plucking- 



ton Bank by scour, 22 

 Messingham pump and engine, 



127 

 Middel Polder, pump at, 104 

 Middle Level drainage, 4 



syphons, 34 



Mijdrecht, steam engine used for 



drainage at, 57 

 Minden, pump at, 153 

 Molesworth's Pocket-book, 102 

 Morton Car scoop wheel, 79 

 Motion of water, 10 

 Movable breast for scoop wheels 



at Podehole, 79 



Hundred Foot, 79 



Katwijk^ 80 



N. 



Natural drainage, 3 



Naylor, S., patent for scoop wheels, 



79 

 Night work for pumping engines, 



64 

 North Level drainage, 4 

 North Sea Canal, pumps for, 112 



P. 



Paddles, 74 



Parsons, W., on centrifugal pumps, 



99, 100, 105 

 Perry, Captain, 56 

 Pipes for field drains, 49 

 Piston pumps, comparative cost of, 



53 



Po, valley of, 2 



river, 19 



Podehole pumping station, 106 

 Pompraden, or pump wheels, 149 



Power of engine required for pump- 



mg, 64, 166 

 Pressure of water, 160 

 Prickwillow, pumping station, 121 

 Pumping stations, cost of, 66 



cost of maintenance, 68 



position of, 66 



Pumps, bucket, 50 



Raceway for scoop wheels, ^^ 

 Rainfall, discharge of, 7 



Lake Haarlem, 143 



drainage due to, in main 



drains, 7 



in field drains, 36 



quantity of water to be 



pumped, 64 



tables relating to, 162 



Ravensileet scoop wheel, 77 

 Redbourne pump engine, 129 

 Rennie, J., advised use of steam for 



draining fens, 58 



Sir J., Ferraby sluice, 30 



Rhine, river, 19 

 Rhone, river, 19 

 Richards, pumps used on Pacific 



coast, 10 1 

 Roding drains, 17 



Scoops, 73, 74 



Scoop wheels, advantage of, as 



compared with other pumps, 51 

 report on, by Dutch 



Commission, 51 



Cuppari's opinion of, 52 



comparative cost of, 53 



cost of engines, (fj 



first use of, 70 



description oi^ 72> 



with curved scoops, 76 



diameter, 81 



angle of egress and in- 



gress, 75 



