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Seite 985 - Men suffer all their life long under the foolish superstition that they can be cheated. But it is as impossible for a man to be cheated by any one but himself, as for a thing to be and not to be at the same time.
Seite 61 - These are usually accounted six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw.
Seite 211 - Werner divides the primitive rocks as under : — 1. Granite. 2. Gneiss. 3. Mica slate. 4. Clay slate. 5. Primitive lime-stone. 6. Primitive trap. 7
Seite 121 - Italy was thrown into a ferment, and many fled, and some persons of distinction, on conviction, were strangled in prison. It appeared to have been chiefly used by married women who were tired of their husbands. Four or six drops were a fatal dose ; but the effect was not sudden, and therefore not suspected. It was as clear as water, but the chemists have not agreed about its real composition. A proclamation of the pope described it as aquafortis distilled into arsenic, and others considered it as...
Seite 69 - From this it readily follows that all the three lines drawn from the angles of a triangle to the middle of the opposite sides, pass through one and the same point.
Seite 495 - Middleburgh, made them about the same time; the latter from an accidental discovery made by his children, 1590—1609. Galileo imitated their invention by its description, and made three in succession, one of which magnified a thousand times. With these he discovered Jupiter's moons and the phases of Venus.
Seite 657 - ... granite. This substance consists of three ingredients, quartz, feldspar, and mica. The quartz is almost pure siliceous earth, in a crystalline form. The feldspar and mica are very compounded substances ; both contain silica, alumina, and oxide of iron : in the feldspar there is usually lime and potassa ; in the mica, lime and magnesia.
Seite 597 - The early Chinese literature suffered a similar misfortune to that of the west in the destruction of the Alexandrian library ; their emperor, Chee-whang-tee, ordered all writings to be destroyed, that everything might begin anew as from his reign ; and books and records were afterwards recovered by succeeding emperors with great difficulty. LIBRARIES OF EUROPE.
Seite 121 - Italians in the 17th century, called aqua tofana, from the name of the woman Tofania, who made and sold it in small flat vials. She carried on this traffic for half a century, and eluded the police ; but on being taken, confessed that she had been a party in poisoning 600 people. Numerous persons were implicated by her, and many of them were publicly executed. All Italy was thrown into a ferment, and many fled, and some persons of distinction, on conviction, were strangled in prison. It appeared...
Seite 79 - That at this rate they have conveyed upwards of fourteen passengers. " 3. That their weight, including engine, fuel, water, and attendants, may be under three tons. " 4. That they can ascend and descend hills of considerable inclination with facility and safety. " 5. That they are perfectly safe for passengers.

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