An Elementary Course of Natural and Experimental Philosophy, for the Use of Beginners

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Longman, Brown, Green, and Longmans, 1855 - Physics

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Page 31 - Thus the natural refraction of the lenses of the eyeball is permanently perverted ; the parallel rays of light are brought to a focus before they reach the...
Page 62 - That very law* which moulds a tear, And bids it trickle from its source, That law preserves the earth a sphere, And guides the planets in their course.
Page 15 - The specific gravity, or specific weight of a body, is its weight as compared with the weight of an equal bulk of some other substance^ assumed as the standard of comparison.
Page 6 - Aries the Ram, Taurus the Bull, Gemini the Twins, Cancer the Crab, Leo the Lion, Virgo the Virgin, Libra the Balance, Scorpio the Scorpion, Sagittarius the Archer, Capricornus the Goat, Aquarius the Waterbearer, and Pisces the Fishes...
Page 108 - Rectify the globe to the latitude of the place; bring the sun's place in the ecliptic to the meridian, and set the index to XII.
Page 5 - Or, for the convenience of Elementary Schools, in Four separate Parts :— I. and III. One Penny each; II. Fourpence; and IV. Sixpence.— Also, Definitions, for Home Study, One Penny.
Page 116 - Then turn the globe till the given body comes to the eastern edge of the horizon, and the index will show the time of its rising. Bring the body to the meridian, and the index shows the time of its culmination or...
Page 3 - Mr. Isbister's Treatise on Book-keeping is the cheapest and most concise extant. A set of eight forms of Account-Books (price 6d. each) exemplifying practically both Single and Double Entry, has also been contributed to the Series by Mr.

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