A descriptive and historical account of hydraulic and other machines for raising water (1850)
Ewbank, Thomas, 1792-1870 · New York, Bangs, Platt, & Co. · leaf 591
a small opening nearthe top, which was closed withthe point of the finger. The sixth and seventh pro-blems of Herons Spiritalia re-late to these instruments. Thetwo figures there given are hol-low spheres; a small circleround the bottom being perforated, and a minute orifice near a ring orhandle on… … No. 282. 568 APPENDIX. Fire-Engines and Bellows Pumps, pp. 241, 321. No. 284 is a bellowsor frictionless pump, from the first edition of Bates Mysteries of Natureand Art. It is identical with the fire engine referred to in our third book,except being placed within an open frame instead of a cistern…
Pumping machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
