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 148
... girt 5 feet ; what is its solidity ? Ans . 50 ft . 9 in . 4 pa . 4. The side of a pentagonal stone measures 10 in- ches , and its length 9 feet 4 inches ; what is its soli- dity ? Ans . 11.15124 feet . 5. A hexagonal prism measures 2 ...
... girt 5 feet ; what is its solidity ? Ans . 50 ft . 9 in . 4 pa . 4. The side of a pentagonal stone measures 10 in- ches , and its length 9 feet 4 inches ; what is its soli- dity ? Ans . 11.15124 feet . 5. A hexagonal prism measures 2 ...
Σελίδα 176
... girt- line . The use of the double lines A and B , is for working proportions , and finding the areas of plane figures ; and the use of the girt - line D , and the other double line C , for finding the contents of solids . When 1 at the ...
... girt- line . The use of the double lines A and B , is for working proportions , and finding the areas of plane figures ; and the use of the girt - line D , and the other double line C , for finding the contents of solids . When 1 at the ...
Σελίδα 182
... girt , taken in the midd'e , by the length , for the solidity ; but when the ends are not equal squares , this method always gives too much ; and the more the breadth and thickness differ , the greater will be the errour . 3. The Rule ...
... girt , taken in the midd'e , by the length , for the solidity ; but when the ends are not equal squares , this method always gives too much ; and the more the breadth and thickness differ , the greater will be the errour . 3. The Rule ...
Σελίδα 184
... girt in inches upon D , to the content upon C. RULE II . Multiply the square of of the girt by twice the length , and the product will be the solidity nearly . By the Sliding Rule . As twice the length upon C , is to 12 upon D ; so is ...
... girt in inches upon D , to the content upon C. RULE II . Multiply the square of of the girt by twice the length , and the product will be the solidity nearly . By the Sliding Rule . As twice the length upon C , is to 12 upon D ; so is ...
Σελίδα 185
... girt as is judged sufficient to reduce the tree to such a circumference as it would have without its bark . This deduction may be most easily made from the quarter girt ; and should be proportioned according to the thickness of the bark ...
... girt as is judged sufficient to reduce the tree to such a circumference as it would have without its bark . This deduction may be most easily made from the quarter girt ; and should be proportioned according to the thickness of the bark ...
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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.