The inventions, researches and writings of Nikola Tesla : with special reference to his work in polyphase currents and high potential lighting (1894)
Martin, Thomas C, Tesla, Nikola · The Electrical Engineer · leaf 235
it is necessary to augment the capacity to the required value , while , at the same time , the surface of the wires remains very small . This may be done in many ways . Here , for instance , I have two plates , u k , of hard rubber ( Fig . 138 ) , upon which I have glued two very thin wires w w ,… … Fia . 138 . of each plate , indicated by the shaded portion , is a tinfoil coating t t . The plates are placed in line at a sufficient distance to pre vent a spark passing from one wire to the other . The two tin - foil coatings I have joined by a conductor c , and the two wires I presently connect…
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![An illustration from Pax methodicorum, cum spagyricis. A Nob. Petro de Vege Sereniss. Ducis Sabaudiæ Medico. Cum epilepsiæ, podagræ, Hydrop. & Lepræ curatione. Accessit Conr. Gesneri Thesaurus Evonymi de remediis secretis nunc in lucem editus, diligentia Casp. Wolfii, Adjectis ingeniosis fornacum figuris. [Suivi de :] Conr. Gesneri Thesaurus Evonymi de remediis secretis. Nunc studio & diligentia Gaspari Vvelphij medici & physici singularis illustratus, & in lucem editus. Adiecimus in pharmacopolarum gratiam plurimas ingeniosas fornacum figuras, quo facilior haec materia & dilucidior habeatur. (1620)](https://img.insideoutlibrary.com/img/200/ia-BIUSante_pharma_res011086-390-0.webp)
