Journal of the Franklin Institute; devoted to science and the mechanic arts (1826)
Franklin Institute (Philadelphia, Pa.) · Oxford, Eng. [etc.] Pergamon Press [etc.] · leaf 460
iler; o is a valve to prevent the return of the water from the boilerwhen the apparatus is out of work; P leads directly to the boiler; Qis a screw stopper, to allow of re-adjustment or cleansing of the valve;K is a tube which carries off any superabundant water which may col-lect in the space… … To work the apparatus—the diameter of the water supply pipe beingcalculated to give the necessary amount of water—the rod E F is movedforward by the handle M, until the conical end of the rod stops theorifice of the cone. The steam cock in the pipe A B is then turned on;the screw handle M is then…
Science · Patents · Meteorology · Technology
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![An illustration from Novo teatro di machine et edificii per uarie et sicure operationi : co[n] le loro figure tagliate in rame é la dichiaratione, e dimostratione di ciascuna : opera necesaria ad architetti, e a quelli, ch[e] di tale studio si dilettano (1607)](https://img.insideoutlibrary.com/img/200/ia-novoteatrodimach00zonc-13-6.webp)