- Small bookseller's ticket on upper pastedown vol. 1; vol. 2 upper hinge broken; plates sl. foxed. Upper joint vol. 1 splitting; both vols. spine-ends dam.; corners showing.
= Cf. Norman Library 1466 (1st ed., 2nd issue; see the next lot); Poggendorff III, p.889; DSB IX, p.198ff: "(...) the aim of the Treatise was not to expound his theory finally to the world but to educate himself by presenting a view of the stage he had reached (...). He saw electricity not as just another branch of physics but as a subject of unique strategic importance (...)". SEE ILLUSTRATION PLATE LVII.