. The philosophical works of the Honourable Robert Boyle esq.: abridged, methodized, and disposed under the general heads of physics, statics, pneumatics, natural history, chymistry, and medicine. ^ T TAving now prefented my great engine to the royal fociety, I wasfarther jw- J[ J[ obliged to procure another; wherein,^ tho the conft:ruflion, in gene-ral, be the fame in both, there were fome alterations, and ^.42 &43. The figures reprefent this engine, as ready for work; and, becaufe thefucker is to be always under water,and the perforation P Q, that is continuedperpendicular
. The philosophical works of the Honourable Robert Boyle esq.: abridged, methodized, and disposed under the general heads of physics, statics, pneumatics, natural history, chymistry, and medicine. ^ T TAving now prefented my great engine to the royal fociety, I wasfarther jw- J[ J[ obliged to procure another; wherein,^ tho the conft:ruflion, in gene-ral, be the fame in both, there were fome alterations, and ^.42 &43. The figures reprefent this engine, as ready for work; and, becaufe thefucker is to be always under water,and the perforation P Q, that is continuedperpendicularly quite thro* it, and ferves, together with the ftick R S, fora valve;, is to be fl:oppd at the bottom of the cyHnder, as at NO, when tishiW of water ; twas requifite to make the ftick RP, two or three feet the chief thing is, that, in the fecond figure, the pipe A B, whofe endB, bends upwards, lies in a groove, purpofely made, in the flat woodenboard C D E F, on which the receivers are to reft. This fquare board, Icaufed to be overlaid with very good cement, on which was apphed. aiirong plate of iron, of the bignefs and ihape of the board, leaving only a fmall YOLE V voLn Pl^TETIIL.
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Keywords: ., bo, booksubjectchemistry, booksubjectmedicine, booksubjectphysics
