PATENT SELF-ACTING HYDRAULIC RAMS 
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Application of BLAKE'S Patent HYDRAULIC RAM, 
Foreing Water to suburban district at a higher level than the town's reservoir, the waste water from the Ram 
being used in the lower parts of the town. 
VILLAGE WATER SUPPLY. 
From J. B. McCALLUM, Esq., C.E., Borough and Water Engineer, Blackburn, November 1, 1888. 
Guide (Borough of Blackburn) Water Su : 
DEAR арышы is the short report I promised to send as to the work performed Fro est I made on September 2 29, I found that two rams with 2-іпећ and j-inch strokes 
by the Hydraulic Rams supplied by ms 1tothe Blackburn Corporation, after they had been in M ay, а» with 194,030 day, together pumped 26,090 gallons per day to a 
operation sufficient س‎ to take proper observations е of 1 x giving irs 43 B per cent t. of effici "y and one ram working at #-іпећ stroke, 
ıe district of Guide “ныла азд about 500), in the Borough of Blackburn, is situated and with o 16 feet o orking fall supplied — 154,587 ga iin per day, pumped 
above the highest reservoir of the Blackburn Waterworks, and had no regular water supply 10, ser "gallons r thes same —— showing 72°75 per cent. of efficiency. 
until last July, when the Water Committee caused two of your Patent Hydraulic Rams to be 1 r ll, one ram at $- ih stroke, and having 31 feet 9 inches of 
put down, and worked by water from a reservoir having a уг pi ing but maximum head of king fall 1 with 121,083 gall day, pumped 17,583 gallons per day to an elevation 
34 feet 3 inches on the rams, the waste (clean) water gravitating to a low А of 171} feet. The efficiency in this case bein ng 79:57 per cen 
You uua: to rad rams which would force 8000 plows p per day m hrough In arriving at these results the greatest care was takin to positively measure the water 
1295 e to a service tank 170 feet above the rams, and I am re to state besides having a meter check on feed and delivery pipes. 
that the result has considerably exceeded my expectations, as the rar агара of pumping, The work carried out by you at IM A is substantial and satisfactory in every 
and have pumped, much more water than you promised. The бетон of efficiency exceeds way, and if any engineer wishes to make his own observations he is at liberty to come 
all I expected, and is, in my opinion, much more than is usua!ly obtained from hydraulic rams. here and do so. 
From Mr. HENRY ROBINSON, Engineer to the Stockport District Waterworks Company, September 8, 1883 :— 
AR SIR,—I сап now report well of the two Hydraulic Rams we have fixed to your 50,000 gallons is not the limit of their power, mM е ку of waste water used pn 
AS for the supply of Disley V illage ; 40,000 gallons per day was the quantity you them is not equal to half the capacity of the 6-inch pipe by which 7 73 аге fed, and I аш 
promised they would force to a height of 68 feet, but on testing them I am convinced that inclined to the belief xat а more simple and уз] С pump cannot be four 
Editorial Communications should be addressed to '* The Edi Editor;" Advertisements and Business Letters to “The Publisher," at the — 1, We Street, Covent Garden, London, W.C 
Printed by WILLIAM m at the Office of Messrs. BRADBURY, AGNEW & Co., Lombard Street, Precinct of Whitefriars, Cit of Londo, in e ен of Middlesex, and published by the 
said WILLIAM RICHARDS, at the Office, 41, Wellington Street, Parish of St. Paul's, Covent Garden, in the e said County.—SATURDAY, 1,1887. Agent for Manchester—JoRN HEYWOO 
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