... Biot and Savart; Faraday's Rotating Con-ductor and Magnet and Barlow's Wheel; Sturgeon's Electromagnet,Galvanometers; Ampère's and Ohm's Laws.4FARADAY AND HENRY ... Prefacement came a little later in the work of such men as Ampère,Coulomb, Biot and Savart, Gauss, Weber, and Ohm.Maxwell, an ardent admirer of Faraday’s great genius, in-terpreted Faraday’s discoveries ... 1729, Gray and Wheeler electrified largersurfaces such as a map and a tablecloth.In August of the same year, Gray found that he couldproduce charges at the end of an insulated packthread linemerely...