## A Treatise on Practical Mensuration |

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### Contents

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### Common terms and phrases

9 inches absciss acre added altitude angle arch base bottom breadth building bushels called canal centre chord circle circumference column conjugate contained deducted depth diagonal diameter difference dimensions direction distance ditto divided door double draw ellipse equal EXAMPLES feet 6 inches feet 9 field figure find the area floor foot four frustum girt give given greater ground half head height hence imperial gallons land length less manner marked mean measure method middle miles Multiply nearly Note obtain offsets opposite parallel perpendicular piece plane PROBLEM quantity quotient radius right angles roof Rule scale segment side sine solidity sometimes square square root station stone subtract surface Table taken thickness third timber transverse tree triangle upper vessel wall whole window wood yards

### Popular passages

Page 5 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, etc.

Page 274 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...

Page 118 - Persepolis, left standing upright ; one is 70 feet above the plane, and the other 50 ; in a straight line between these, stands an ancient...

Page 248 - An account of the mode of Draining Land, according to the System practised by Mr. Joseph Elkington.

Page 5 - A Circle is a plane figure bounded by a curved line called the circumference, every point of which is equally distant from a point within called the centre ; as ABD E. 2.

Page 5 - Plane figures that have more than four sides are, in general, called Polygons ; and they receive other particular names, according to the number of their sides or angles.

Page 187 - WORK. Plasterers' work is principally of two kinds; namely, plastering upon laths, called ceiling, and plastering upon walls or partitions made of framed timber, called rendering. In plastering upon walls, no deductions are made except for doors and windows, because cornice, festoons, enriched moldings, etc., are put on after the room is plastered.

Page 145 - RULE. As the tabular specific gravity of the body, is to its weight in Avoirdupois ounces, So is one cubic foot, or 1728 cubic inches, to its content in feet, or inches, respectively.

Page 18 - Divide the square of half the chord by the versed sine ; to the quotient add the versed sine, and the sum will be the diameter, &c.

Page 173 - TABLE. 12"" fourths make 1'" third, 12'" thirds - - - 1" second, 12" seconds - - 1' inch or prime, 12