## A treatise on practical mensuration |

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### Common terms and phrases

18 feet 9 inches ABCD absciss altitude arch architraves base bottom breadth bung diameter bushels canal cask centre chains chord circle circular circumference column cone Conic Sections contained content in imperial cornice cubic inches cubic yards deducted depth diagonal difference dimensions distance ditto divided door eaves elliptical equal equatorial EXAMPLES feet 6 inches feet 9 figure find the area find the solidity foot frustum gallons and bushels girt ground half the sum head diameter hence horizontal hyperbola hypothenuse imperial bushels imperial gallons latitude length logarithm mean measure method miles Multiply Note ordinate parallel perpendicular perpendicular height piece of timber polygon quotient radius rectangle regular polygon rhombus right angles roof segment side sine Sliding Rule square root station subtract surface tangent theodolite THEOREM thickness transverse diameter trapezium tree triangle ullage versed sine vessel whole window

### Popular passages

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

Page 126 - Take the length of the keel within board (so much as she treads on the ground) and the breadth within board by the midship beam, from plank to plank, and half the breadth for the depth, then multiply the length by the breadth, and that product by the depth, and divide the whole by 94; the quotient will give the true contents of the tonnage.

Page 276 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...

Page 36 - RULE.* Multiply the sum of the parallel sides by the perpendicular distance between them, and half the product will be the area.

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 120 - 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 250 - An account of the mode of Draining Land, according to the System practised by Mr. Joseph Elkington.

Page 119 - In turning a one-horse chaise within a ring of a certain diameter, it was observed that the outer wheel made two turns, while the inner made but one : the wheels were both...

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 323 - For the purpose of measuring angles, the circumference is divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; each minute into 60 equal parts called seconds.