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She demanded thick clothes for the concierge's boy, and received boots from Chirac, gloves from Carlier, and a great overcoat from Niepce. The weather increased in severity, and provisions in price. One day she sold to the wife of a chemist who lived on the first floor, for a hundred and ten francs, a ham for which she had paid less than thirty francs.
Niépce, a Frenchman, discovered "actinism," that power in the sun's rays which produces a chemical effect, that granite rocks, and stone structures, and statues of metal, "are all alike destructively acted upon during the hours of sunshine, and, but for provisions of Nature no less wonderful, would soon perish under the delicate touch of the most subtile of the agencies of the universe."
That evening she told her lodgers that the price of meals would be doubled, and that if any gentleman thought that he could get equally good meals elsewhere, he was at liberty to get them elsewhere. Her position was strengthened by the appearance of another candidate for a room, a friend of Niepce. She at once offered him her own room, at a hundred and fifty francs a month.
The resonance of its closing would have certainly wakened less accomplished sleepers than M. Niepce and his friend, whose snores continued with undisturbed regularity. After a pause of shuffling, a match was struck, and feet crept across the corridor with the most exaggerated precautions against noise. There followed the unintentional bang of another door.
Niepce, a Frenchman, discovered "actinism," that power in the sun's rays which produces a chemical effect, that granite rocks, and stone structures, and statues of metal, "are all alike destructively acted upon during the hours of sunshine, and, but for provisions of Nature no less wonderful, would soon perish under the delicate touch of the most subtile of the agencies of the universe."
"You will wake the others." "And M. Niepce will he need to be wakened?" "M. Niepce is not here," she said. Niepce's door was unlatched. She pushed it open, and went into the room, which was empty and bore no sign of having been used. "Come and satisfy yourself!" she insisted. Chirac did so. His face fell. She took her watch from her pocket. "And now wind my watch, and set it, please."
Nothing could destroy the structure of her beauty, but she looked worn and appreciably older. She wondered often when Chirac would return. She might have written to Carlier or to the paper; but she did not. It was Niepce who discovered in a newspaper that Chirac's balloon had miscarried.
Niepce, a Frenchman, discovered "actinism," that power in the sun's rays which produces a chemical effect; that granite rocks, and stone structures, and statues of metal "are all alike destructively acted upon during the hours of sunshine, and, but for provisions of Nature no less wonderful, would soon perish under the delicate touch of the most subtle of the agencies of the universe."
The researches on radioactive substances have their starting-point in the discovery of the rays of uranium made by M. Becquerel in 1896. As early as 1867 Niepce de St Victor proved that salts of uranium impressed photographic plates in the dark; but at that time the phenomenon could only pass for a singularity attributable to phosphorescence, and the valuable remarks of Niepce fell into oblivion.
After the memorable discoveries of Nicephore, Niepce, Daguerre, and Talbot, photography remained for some time stationary, limited to the production of portraits and landscapes. But for a few years past it has taken a new impetus, and new processes have come to the surface. In the graphic arts and in the sciences it has taken considerable place.
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