A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)
Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 43
glass tube about eighteeninches long, and four in diameter, to theends of which are cemented the hollow brasspieces D F, E B, the former having a point, C,for receiving electricity from the electrical ma-chine, while the other has a wire terminating ina ball, G, from which a strong spark may… … JFia. 3. /.,f{^,n lWA/7U/,e,/ f„y T7ii^7nn.f Te/f^a r3.f7i,;,/^.i/,/^ JJu^jyJJS 2 7. J. STiuTv Sell EJLECTlRIf ITX, FiATS.ir.
Encyclopedias and dictionaries · Aeronautics
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