Page:A Letter on the Subject of the Cause (1797).djvu/67

 me to accept them as King’s money, while I am able to diſcern the ingenuity of Mr. Wood, Mr. Newcomen, and the right of other ingenious men, thus curiouſly blended in the compoſition of this miſcellaneous currency.

An attention to this I think, my Lord, will farther confirm what I have ſaid above, and what they acknowledge, that they have been all theſe years, with all theſe helps, learning that all condenſers more than an eduction pipe are futile; and that nothing but Mr. Wood’s pump is neceſſary to make a good Engine.

I have now only to trouble your Lordſhip with a few remarks relative to the local ſituation of theſe pumps, which you were alſo informed were of little conſequence, provided they were there. This is ſo far contrary to the true ſtate of the caſe, that was the bottom of this pump fixed a few inches above the bottom of the condenſer, it would produce a defect in the Engine’s work proportionate to every inch; and ſhould it be a few feet, inſtead of inches, the Engine would not work with any effect. Again, provided the piſton of this pump falls ſhort of reaching, as near as may be, the top and bottom of the cylinder, it produces a like