A Practical Treatise on the Science of Land and Engineering Surveying, Leveling, Estimating Quantities, &c

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E. & F.N. Spon, 1885 - 346 sider
 

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Side 102 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Side 31 - When a straight line standing on another straight line, makes the adjacent angles equal to one another, each of the angles is called a, right angle ; and the straight line which stands on the other is called a perpendicular to it. 11. An obtuse angle is that which is greater than a right angle. 12. An acute angle is that which is less than a right angle. 13. A term or boundary is the extremity of any thing.
Side 325 - Plan shall be added of any Building, Yard, Courtyard, or Land within the curtilage of any Building, or of any Ground cultivated as a Garden...
Side 140 - The VERSED SINE of an arc is that part of the diameter which is between the sine and the arc.
Side 138 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees...
Side 326 - All places where for a distance of thirty feet and upwards there will be a less space than nine feet six inches between the outside of the footpath on either side of the street or road and the nearest rail of the tramway...
Side 66 - ... the rail; multiply the length by the breadth and the product by the height; then divide the product by two, and you have the number of bushels of shelled corn in the crib.

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