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But this was the direct and simple, not the concentrated or accumulated heat of the sun. On the utilizing of the solar heat, simply as heat, see the work of Mouchot, La Chaleur solaire et ses applications industrielles. Paris, 1860. The reciprocal convertibility of the natural forces has suggested the possibility of advantageously converting the heat of the sun into mechanical power.
This heating apparatus, which is inclosed within a cast iron casing similar to that of an ordinary gas stove, is employed without a chimney, thus permitting of its being placed against the wall or at any other point whatever in the room to be heated. Annales Industrielles.
The large sheet cut off by the cylinders, K K', contains, then, two copies; and this sheet, on passing under the roller, f is again cut in two by a disk which separates it in a direction perpendicular to the cylinders. To this press there may be added a mechanical folder of Mr. Marinoni's invention, capable of folding a journal five times. Annales Industrielles. Mr.
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