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Dufaye and the Abbe Nollet worked together about 1730, and mutually surprised each other daily. Guericke, better known as the inventor of the air-pump, made a sulphur-ball machine, often claimed to have been the first. Hawkesbee constructed a glass machine that was an improvement over that of Guericke.

Ah! my friend, listen; for nearly four months I have studied chemistry that I might talk of it with you. I have read Fourcroy, Lavoisier, Chaptal, Nollet, Rouelle, Berthollet, Gay-Lussac, Spallanzani, Leuwenhoek, Galvani, Volta, in fact, all the books about the science you worship. You can tell me your secrets, I shall understand you."

Once in the Rue Nollet, Dubuche immediately hailed a cab, in which he drove away. The other four walked together as far as the outer boulevards, scarcely exchanging a word, looking dazed, as it were, at having been in each other's company so long. At last Jory decamped, pretending that some proofs were waiting for him at the office of his newspaper.

Many eminent observers, such as Hauksbee, Wall, Gray, and Nollet, had noticed the resemblance between electric sparks and lightning, but none of these had more than surmised that the two might be identical. In 1746, the surgeon, John Freke, also asserted his belief in this identity.

He was assailed by the Nollet previously mentioned, and by a party of French philosophers, yet there arose, in his absence and without his knowledge, a party who called themselves distinctively "Franklinists." Then came the personal test of the truth of these theories that had been promulgated over Europe in the name of the unknown American.

X observed, that this was a very learned dispute, and that the question had been discussed by no less a person than the Abbe Nollet; and he related some of the ingenious experiments tried by that gentleman, to decide whether fishes can or cannot hear.

But not all the experiments being made were of a purely spectacular character, although most of them accomplished little except in a negative way. The famous Abbe Nollet, for example, combined useful experiments with spectacular demonstrations, thus keeping up popular interest while aiding the cause of scientific electricity.

Osmosis, or diffusion through a septum, is a phenomenon which has been known for some time. The discovery of it is attributed to the Abbé Nollet, who is supposed to have observed it in 1748, during some "researches on liquids in ebullition." A classic experiment by Dutrochet, effected about 1830, makes this phenomenon clear.

At six o'clock, Claude started for Sandoz's place in the Rue Nollet, in the depths of Batignolles, and he had no end of trouble in finding the small pavilion which his friend had rented.

He began to hate the pavilion of the Rue Nollet, and, moreover, success suddenly declared itself with respect to his books, which hitherto had sold but moderately well. So, prompted by the advent of comparative wealth, he rented in the Rue de Londres a spacious flat, the arrangements of which occupied him and his wife for several months.