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The committee on the award of these foremost prizes for advanced work in electricity brought in their report, and, to my amazement, made no award to my compatriot Edison, who was then at the height of his reputation. Presently Tresca, who read the report, and who really lamented the omission, whispered to me the reason of it.

At my left was Tresca, director of the French National Conservatory of Arts and Trades; and next him, the sphinx of the committee the most silent man I ever saw the rector of the Portuguese University of Coimbra. During the three months of our session no one of us ever heard him utter a word.

M. Tresca, who has charge of the Conservatoire des Arts et Métiers, the institution which in Paris answers to our Patent Office, says that drawings of new inventions are more useful than models, are cheaper, and are very much oftener consulted. In Paris the model room is covered with dust and rarely entered.

On the 8th of June. 1874, Tresca presented to the French Academy some considerations respecting the distribution of heat in forging a bar of platinum, and stated the principal reasons which rendered that metal especially suitable for the purpose. He subsequently experimented, in a similar way, with other metals, and finally adopted Senarmont's method for the study of conductibility.