Rudimentary treatise on mensuration and measuring |
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Σελίδα
... FORMULA , together with other formula depending thereon , by which the rules receive considerable extension . Some of the rules and examples are taken verbatim from Dr. Hutton's Mensuration ; for the author conceives that it would be ...
... FORMULA , together with other formula depending thereon , by which the rules receive considerable extension . Some of the rules and examples are taken verbatim from Dr. Hutton's Mensuration ; for the author conceives that it would be ...
Σελίδα
... formula and examples depending on them . He may also omit all the formulæ in the Mensuration of Superfices and Solids , with the examples depending on them , as well as the problems beyond the tenth in the Mensuration of Solids , except ...
... formula and examples depending on them . He may also omit all the formulæ in the Mensuration of Superfices and Solids , with the examples depending on them , as well as the problems beyond the tenth in the Mensuration of Solids , except ...
Σελίδα 20
... FORMULA . Put the base A B = 6 , the perpendicular B C B = p , and the hypothenuse A C = h ; then √ b2 + p2 , b = √ h2 — p2 , and p = √ h2 — bo . EXAMPLE . 1. Required the hypothenuse of a right angled triangle , the base of which is ...
... FORMULA . Put the base A B = 6 , the perpendicular B C B = p , and the hypothenuse A C = h ; then √ b2 + p2 , b = √ h2 — p2 , and p = √ h2 — bo . EXAMPLE . 1. Required the hypothenuse of a right angled triangle , the base of which is ...
Σελίδα 21
... formula ; - = √242 +102 = √676 = 26 feet , AC = = ✓ A D2 + CD2 the required length of one of the rafters . 8. Required the height of an equilateral triangle , the side of which is 10 feet . Ans . 8 feet 8 in . nearly . 9. The base of ...
... formula ; - = √242 +102 = √676 = 26 feet , AC = = ✓ A D2 + CD2 the required length of one of the rafters . 8. Required the height of an equilateral triangle , the side of which is 10 feet . Ans . 8 feet 8 in . nearly . 9. The base of ...
Σελίδα 23
... BD - DA , that is , 22 , and 22 ) 10 feet = A D Or by the last Formula DA = + ( 42 1-14 402-262 = 10 feet , 42 and C D = √ A C2 — D A2 = √ / 262 — 102 = 24 feet . 2. The base of a triangle is 30 , and MENSURATION OF LINES . 23.
... BD - DA , that is , 22 , and 22 ) 10 feet = A D Or by the last Formula DA = + ( 42 1-14 402-262 = 10 feet , 42 and C D = √ A C2 — D A2 = √ / 262 — 102 = 24 feet . 2. The base of a triangle is 30 , and MENSURATION OF LINES . 23.
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12 feet 20 feet A B C AMEN CORNER axis Baker's Land base bottom width centre chains Charles Tomlinson chord circle circular circumference content in cubic correction for curvature cubic feet cubic foot cubic yards curve decagon decimals depths diagonal diameter distance Duodecimals Engineering Surveying equal EXAMPLES feet 6 inches feet long figure find the area find the content find the solidity foot fore sights formula frustrum given ground half height instrument Land and Engineering length level book measured method miles multiply NOTE offsets parabola perpendicular polygon Prob PROBLEM pyramid quantity quarter girt radius railway cutting refraction required the area Required the content RULE RULE.-Multiply S. P. Woodward screws segment side slopes SLIDING RULE spirit level square feet square yards staves subtract Table tangent telescope trapezium VIRTUE BROTHERS W. D. Hamilton zone
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Σελίδα 81 - Large and plain articles are usually measured by the square foot or yard, &c; but enriched mouldings, and some other articles, are often estimated by running or lineal measure •, and some things are rated by the piece. In measuring of Joists...
Σελίδα 86 - GLAZIERS' WORK. — Glaziers take their dimensions either in feet, inches, and parts ; or feet, tenths, and hundredths. And they compute their work in square feet. In taking the length and breadth of a window, the cross bars between the squares are included. Also, windows of round or oval forms are measured as square, measuring them to their greatest length and breadth, on account of the waste in cutting the glass.