Rudimentary treatise on mensuration and measuring |
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Σελίδα 24
... slopes , the lengths of which , from the eaves to the ridge , are 20 and 13 feet ; required the height of the ridge above the eaves . Ans . 12 feet . NOTE . All the preceding examples may be readily solved by construction , by first ...
... slopes , the lengths of which , from the eaves to the ridge , are 20 and 13 feet ; required the height of the ridge above the eaves . Ans . 12 feet . NOTE . All the preceding examples may be readily solved by construction , by first ...
Σελίδα 130
... slopes in Bidder's Table , are applicable to all varieties of ratio of slopes and widths of forma- tion level in common use ; and with the help of Barlow's table of square roots , these tables will apply to sectional areas , with all ...
... slopes in Bidder's Table , are applicable to all varieties of ratio of slopes and widths of forma- tion level in common use ; and with the help of Barlow's table of square roots , these tables will apply to sectional areas , with all ...
Σελίδα 131
... slopes below the formation- level , with the number of cubic yards to be subtracted from the contents of the General Table for each chain in length , for eight of the most common varieties of ratio of slope . The following diagrams and ...
... slopes below the formation- level , with the number of cubic yards to be subtracted from the contents of the General Table for each chain in length , for eight of the most common varieties of ratio of slope . The following diagrams and ...
Σελίδα 132
... slopes , the width of formation level , and the ratio of the slopes being given , to find the content of the cutting in cubic yards , from the Tables referred to , the distances of the depths being one chain each . RULE . Take the ...
... slopes , the width of formation level , and the ratio of the slopes being given , to find the content of the cutting in cubic yards , from the Tables referred to , the distances of the depths being one chain each . RULE . Take the ...
Σελίδα 133
... slopes are as in the annexed table , the bottom width Dist . in Depths chains . in feet . Products for Dist . Total greater than 1 chain . quantities . 10 16 420 being 30 feet , and the 2.00 20 705 4.00 25 1234 × 2 2486 5:00 32 1996 7 ...
... slopes are as in the annexed table , the bottom width Dist . in Depths chains . in feet . Products for Dist . Total greater than 1 chain . quantities . 10 16 420 being 30 feet , and the 2.00 20 705 4.00 25 1234 × 2 2486 5:00 32 1996 7 ...
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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
Δημοφιλή αποσπάσματα
Σελίδα 3 - 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, &c.
Σελίδα 51 - The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed.
Σελίδα 5 - Is. 6d. 76. GEOMETRY, DESCRIPTIVE, with a Theory of Shadows and Perspective, and a Description of the Principles and Practice of Isometrical Projection, by JF Heather.
Σελίδα 51 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
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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.