A Treatise on Practical Mensuration in Eight Parts ...T. Wilson and sons; and sold by Longman, Hurst, Rees, Orme, Brown, and Green, 1824 - 434 σελίδες |
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Σελίδα 10
... NOTE . This Problem may be more easily performed by means of a parallel ruler , which may also be used to advantage in several operations in Practical Geometry . PROBLEM IV . To erect a perpendicular from a given point C , in a given ...
... NOTE . This Problem may be more easily performed by means of a parallel ruler , which may also be used to advantage in several operations in Practical Geometry . PROBLEM IV . To erect a perpendicular from a given point C , in a given ...
Σελίδα 13
... NOTE . A trapezium may be constructed in the same manner ; having the four sides and one of the diagonals . PROBLEM VIII . Having given the base , the perpendicular , and the place of the perpendicular upon the base , to con- struct a ...
... NOTE . A trapezium may be constructed in the same manner ; having the four sides and one of the diagonals . PROBLEM VIII . Having given the base , the perpendicular , and the place of the perpendicular upon the base , to con- struct a ...
Σελίδα 14
Anthony Nesbit. NOTE . A trapezium may be constructed in a similar manner , by having one of the diagonals , the two perpendiculars let fall thereon from the opposite angles , and the places of these perpen- diculars upon the diagonal ...
Anthony Nesbit. NOTE . A trapezium may be constructed in a similar manner , by having one of the diagonals , the two perpendiculars let fall thereon from the opposite angles , and the places of these perpen- diculars upon the diagonal ...
Σελίδα 22
... NOTE . Angles may be more expeditiously laid down or measured by means of a semi - circle of brass , called " a Protrector , " the arc of which is divided into 180 degrees . PROBLEM XXVI . Upon a given line AB , to make a regular ...
... NOTE . Angles may be more expeditiously laid down or measured by means of a semi - circle of brass , called " a Protrector , " the arc of which is divided into 180 degrees . PROBLEM XXVI . Upon a given line AB , to make a regular ...
Σελίδα 24
... NOTE . A mean proportional between any two numbers may also be found by multiplying them together , and extracting the square root of their product . PROBLEM XXIX . To raise a perpendicular from any point D , in a given line AB , by a ...
... NOTE . A mean proportional between any two numbers may also be found by multiplying them together , and extracting the square root of their product . PROBLEM XXIX . To raise a perpendicular from any point D , in a given line AB , by a ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
18 feet 9 inches ABCD absciss acre altitude arch architraves avoirdupois base bottom brick building canal cask centre chains chord circle circular circumference column cone contain cornice cubic foot cubic inches cubic yards cylinder deducted depth diagonal distance ditto divided door eaves ellipse equal EXAMPLES feet 6 inches feet 9 figure find the area find the solidity floor foot found by Problem frustum given greater end ground half the sum head diameter hyperbola length less end malt bushels measure method miles Note ordinate parallel perpendicular perpendicular height piece of timber polygon prism quarter girt quotient radius regular polygon remainder Required the solidity rhombus right angle roods roof segment side slant height Sliding Rule solidity required spindle square root square yard stone surface thickness transverse diameter trapezium trapezoid tree triangle ullage versed sine vessel wall whole window wine gallons wood
Δημοφιλή αποσπάσματα
Σελίδα 7 - 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.
Σελίδα 196 - The monarch oak, the patriarch of the trees, Shoots rising up, and spreads by slow degrees ; Three centuries he grows, and three he stays, Supreme in state, and in three more decays...
Σελίδα 27 - ... are equal to two right angles. Let ABC be a triangle, and let one of its sides BC be produced to D ; the exterior angle ACD is equal to the two interior and opposite angles CAB, ABC ; and the three interior angles of the triangle, viz. ABC, BCA, CAB, are together equal to two right angles.
Σελίδα 308 - An Account of the Mode of Draining Land, according to the System practised by Mr. Joseph Elkington.
Σελίδα 48 - RULE.* Multiply the sum of the parallel sides by the perpendicular distance between them, and half the product will be the area.
Σελίδα 42 - From half the sum of the three sides, subtract each side severally ; multiply the half sum, and the three remainders together, and the square root of the product will be the Area required. Example. — Required the Area of a Triangle, whose sides are 50, 40, and 30 feet. 50 + 40 + 30.. fin half sum of the three sides.
Σελίδα 8 - 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 center, Fig.
Σελίδα 135 - Persepolis, left standing upright ; one is 70 feet above the plane, and the other 50 ; in a straight line between these, stands an ancient...
Σελίδα i - Nesbit's Mensuration, and Key. A Treatise on Practical Mensuration : containing the most approved Methods of drawing Geometrical Figures; Mensuration of Superficies; Land Surveying; Mensuration of Solids ; the Use of the Carpenter's Rule ; Timber Measure, in which is shewn the method of Measuring and Valuing Standing Timber ; Artificers' Works, illustrated by the Dimensions and Contents of a House; a Dictionary of the Terms used in Architecture, &c.
Σελίδα 227 - 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.