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The Elements of Natural Or Experimental Philosophy, Volum 1
Uten tilgangsbegrensning - 1825
according acid acquire action alſo angle animal appear attraction Auid bars battery becomes body called caloric caſe charge coating colours combination communicated conductor conſiſts contains convex courſe direction diſcharge diſtance effect electricity electrified equal experiments extremity fall firſt fluid focal focus former glaſs greater heat hence hole inches incident increaſed iron larger latter length lens lenſes leſs light lower magnet magnifying manner means meaſure mercury metallic moſt muſt natural needle object obſerved parallel particular paſſing perſons piece Plate pole poſitive preſent proceed produced proportion quantity rays reflected reflector refraction rendered reſpect ſaid ſame ſecond ſeems ſeen ſhews ſhock ſide ſingle ſituated ſmall ſome ſtate ſubſtances ſuch ſun ſurface teleſcope temperature thermometer theſe thoſe tion tube uſed various whole wire
Side 288 - When the rising sun shines from that point whence its incident ray forms an angle of about 45° on the sea of Reggio, and the bright surface of the water in the bay is not disturbed either by the wind or...
Side 289 - ... palms, and nearly down to the sea, the observer will behold the scene of the same objects not only reflected from the surface of the sea, but likewise in the air, though not so distinct or well defined as the former objects from the sea.
Side 289 - Lastly, if the air be slightly hazy and opaque, and at the' same time dewy and adapted to form the Iris, then the abovementioned objects will appear only at the surface of the sea, as in the first case, but all vividly coloured or fringed witH red, green, blue, and other prismatic colours *. " As the day advances, the fairy scene gradually disappears.
Side 288 - Reggio, and the bright surface of the water in the bay is not disturbed either by the wind or the current, the spectator being placed on an eminence of the city, with his back to the sun, and his face to the sea ; on a sudden there appear in the water, as in a catoptric theatre, various multiplied objects, viz.
Side 420 - THE electric organs of the torpedo are placed on each side of the cranium and gills, reaching from thence to the semicircular cartilages of each great fin, and extending longitudinally from the anterior extremity of the animal to the transverse cartilage, which divides the thorax from the abdomen...
Side 205 - When the rings were examined by looking through the lenses in the opposite direction, the central spot appeared white, and, in other rings, red was opposite to blue, yellow to violet, and green to a compound of red and violet ; the colours formed by the transmitted and...
Side 144 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.
Side 525 - ... the attraction of their matter. There is an attraction exerted between the overcharged extremity of one magnetic body and the undercharged extremity of the other, on account of the attraction between that fluid and the matter of the body ; but, to explain the repulsion which takes place between their undercharged extremities, we...