The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 246
reveut the passage ofsuch a quantity of electricity as would destroy them. The patentee riaims the application of continuous metallic and carbonconductors, intensely heated by the passage of a suitably regulated currentof electricity, to the purposes of illumination, as above described. SHIP… … The improvements relate to the form of the propeller, fig. 1 Is a side view,gnd fig. 2, a vertical section of the propeller. ■ The propeller is formed bytaking a hollow cone, of sudicient thickness, and cutting it through thevertex at right angles to the plane of its base, so that the two parts may…
Architecture · Civil engineering · Science
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