The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 424
in motion by the engine. The power employedin keeping the air pump in motion diminishes by so much, the power of themachine, but this is nothing in comparison with the loss which ensuedin the i Id process, by the condensation of the steam on the cold surfaces ofthe body uf the cylinder—scefg. 9.… … LEUPOLDS ENGINE. M. Arago has omitted to notice the contrivance of Leupold, which we shalltere g>ve, ,n order that this ingenious inventormay not be passed over unnoticed. Leupold was a native of Saxony ; in 1723 he commenced publishing a largeoollec ion of machines, which extended to several…
Architecture · Civil engineering · Science
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
