Comprehensive treatise on land surveying

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1812
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Seite 200 - or nearly; that is, the difference between the true and apparent level, is equal to the square of the distance...
Seite 12 - ... I am of opinion that the action is properly brought. The former dividend was received and divided according to the proportions of the respective debts of the plaintiff, and of the plaintiff and defendant as partners ; then on the receipt of the second dividend by the defendant, it should have been divided into two parts, bearing the same proportion to each other as the separate demand of the plaintiff on Keate's estate, and the joint demand of the plaintiff and defendant. The plaintiff would...
Seite 237 - A, by a double pivot, which is fixed to one of the rulers ; and works in two small holes placed at the end of the other. Under the joint is an ivory castor, to support this end of the instrument. The two smaller...
Seite 21 - A to B, A to C, A to D, A to E, A to F, A to G, A to H, and...
Seite 229 - RKDCCTIOS of a figure, ikiitfn, or draught, is the making a copy thereof, either larger or smaller than the original; still preserving the form and proportion. The great use of the proportional compasses is the reduction of figures, &c.
Seite 237 - A by a double pivot, which is fixed to one of the rules, and works in two small holes placed at the end of the other. Under the joint is an ivory castor to support this end of the instrument. The two smaller rules are fixed by pivots at E and H, near the middle of the larger rules, and are also joined together at their other end, G.
Seite 4 - Art. 56), the circumference of the circle is conceived to be divided into 360 equal parts, called degrees.
Seite 3 - If one of the angles is a right angle, the triangle is rightangled, as fig.
Seite 238 - In this manner, by frequent shifting, a pantographer is made to reduce, enlarge, or copy a drawing of large dimensions, by joining the parts together. To avoid the trouble of setting the weight, pencil, and tracer, each time, two of the bars are divided into ten or twenty of the most common proportions ; by which divisions the sliders are to be fixed. When the machine is used, a fine string is fastened in the...
Seite 125 - In place of measuring the two perpendiculars separately, and adding them together, and then halving the sum...

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