Transactions . ON PUMPING WATEU. 123 ON PUMPING WATER.—PAPER No. 2. By WILLIAM WALLER. In the former paper on Pumping Engines, given in the Proceedingsof August, 1867, the main consideration was given to the best kind ofengine for the purpose, in reply to an enquiry put by one of the members. In working out the results, the standard of one million foot poundswas adopted, at the suggestion of Mr. Bunning, as a tangible figure,well calculated to supersede the various standards in use, such as 1000,or 1,000,000 gallons; but as subsequent papers have not retained this,it is not used here, for the
Transactions . ON PUMPING WATEU. 123 ON PUMPING WATER.—PAPER No. 2. By WILLIAM WALLER. In the former paper on Pumping Engines, given in the Proceedingsof August, 1867, the main consideration was given to the best kind ofengine for the purpose, in reply to an enquiry put by one of the members. In working out the results, the standard of one million foot poundswas adopted, at the suggestion of Mr. Bunning, as a tangible figure,well calculated to supersede the various standards in use, such as 1000,or 1,000,000 gallons; but as subsequent papers have not retained this,it is not used here, for the double reason, that it is not used in thedocuments quoted, and that it may have been found objectionable. The process of pumping is supposed to be too well understood toneed any explanation, and being governed by simple known laws, wouldrender any general remarks upon it superfluous; but there were someassertions in the late discussion which invite remark and explanation,and must form the apology for a few se
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