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THREE:In electricity great strides were made. Between the years 1705 and 1711 Francis Hawksbee published in the Transactions of the Royal Society several experiments, in which he had, for the first time, discovered the production of the electric spark by friction, and electrical attraction and repulsion. In 1720 Stephen Gray, a pensioner of the Charterhouse, published the result of his experiments on this subject, with a list of the substances which showed electricity under friction; and in 1732 he discovered the conducting property of non-electrical bodies. Before 1739, Dufray, keeper of the King's Garden at Paris, discovered the repellent power of two similarly-electrified bodies, and the attraction of these positively and negatively electrified��or, as he termed it, possessing the vitreous and the resinous electricity. Cuneus and Lallemand discovered the mode of accumulating the electric fluid in what was called the Leyden jar in 1745. This discovery gave a new impetus to inquiry, and Nollet, in France, and Watson, in England, conceived the hypothesis of the jar being overcharged on one side and undercharged on the other. This growing perception of the positive and negative conditions of the electric fluid received confirmation from the experiments of Benjamin Franklin, in America. Franklin soon improved the Leyden jar into an electrical battery; and, in 1752, he proved the identity of electricity and lightning by his grand experiment of the kite. On this he recommended lightning conductors, which, however, were not used in England till ten years afterwards.

THREE:At length the Duke of Cumberland arrived from Flanders, and foreign and English troops were assembled in the Midland counties; Marshal Wade had also ten thousand men collected at Newcastle-on-Tyne. The Duke of Cumberland was appointed Commander-in-Chief, and the brave soldiers who had fought under him at Fontenoy were ready to follow him, in the highest confidence of making short work with the Highlanders.The news of this astonishing cowardice of the soldiery caused great consternation in Paris. Lafayette and Rochambeau wrote complaining of Dumouriez and the Gironde Ministry; the Girondists accused the Jacobins of inciting the troops to this conduct; and the Jacobins blamed the incompetence of the Gironde. The king proceeded to dismiss his Girondist Ministry, and to rule with something like independence. In the early part of July it was known at the Tuileries that the Prussians, having joined the Austrians, had marched on Coblenz, to the number of eighty thousand men, all old soldiers of the great Frederick, and commanded by the Duke of Brunswick, the nephew of Frederick, who had won so much distinction in the Seven Years' War. Marshal Luckner, not deeming himself strong enough to resist this force, had retired upon Lille and Valenciennes. The Court was in high spirits; the queen told her ladies, in confidence, that the Allies would be in Paris in six weeks. The king wrote to the allied camp recommending moderation. In this moment of effervescence appeared the proclamation of the Duke of Brunswick as commander of the allied armies, and in the name of the allied monarchs. This proclamation arrived in Paris on the 28th of July, though it was dated Coblenz, July 25th. It was far from being of the reasonable nature which the king had recommended, and was calculated to do the most fatal injuries to his interests. It stated that the Emperor and the King of Prussia, having seen the manner in which the authority of the King of France had been overturned by a factious people, how his sacred person and those of his family had been subjected to violence and restraint, in which those who had usurped his Government had, besides destroying the internal order and peace of France, invaded the Germanic Empire, and seized the possessions of the princes of Alsace and Lorraine, had determined to march to his assistance, and had authorised himself, a member of the Germanic body, to march to the aid of their friend and ally; that he came to restore the king to all his rights, and to put an end to anarchy in France; that he was not about to make war on France, but on its internal enemies, and he called on all the well-disposed to co-operate in this object; that all cities, towns, villages, persons, and property would be respected and protected, provided that they immediately concurred in the restoration of order. He summoned all officers of the army and the State to return to their allegiance; all Ministers of Departments, districts, and municipalities were likewise summoned, and were to be held responsible, by their lives and properties, for all outrages and misdemeanours committed before the restoration of order; and all who resisted the royal authority, and fired on the royal troops or the Allies, should be instantly punished with all rigour, and their houses demolished or burned. Paris, in case of any injury done to the royal family, was to be delivered up to an exemplary and ever-memorable vengeance; that no laws were to be acknowledged as valid but such as proceeded from the king when in a state of perfect liberty.