Rudimentary treatise on mensuration and measuring |
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Σελίδα 7
... height of the wall . Here 14 feet is the base of the right angled triangle , and 50 feet , = length of the ladder is the hypothenuse , with which the triangle being constructed , as in the last Problem , the perpen- dicular will be ...
... height of the wall . Here 14 feet is the base of the right angled triangle , and 50 feet , = length of the ladder is the hypothenuse , with which the triangle being constructed , as in the last Problem , the perpen- dicular will be ...
Σελίδα 21
... height of the precipice being Ans . 302 97 feet . 103 feet . 6. A ladder of 50 feet long being placed in a street ... height of ridge above the side walls 10 feet ; required the length of one of the rafters . D In the annexed figure A B ...
... height of the precipice being Ans . 302 97 feet . 103 feet . 6. A ladder of 50 feet long being placed in a street ... height of ridge above the side walls 10 feet ; required the length of one of the rafters . D In the annexed figure A B ...
Σελίδα 22
... height of the tree , both shadows being on level ground . Let b c be the cane , and B C the tree , their shadows being respectively represented by a b and A B : the upper extremities of the cane and tree being joined with the ...
... height of the tree , both shadows being on level ground . Let b c be the cane , and B C the tree , their shadows being respectively represented by a b and A B : the upper extremities of the cane and tree being joined with the ...
Σελίδα 23
... height of the Monument . Ans . 202 feet . PROBLEM III . The two sides and the base of a triangle ( A B C ) are given to find the perpendicular ( CD ) . RULE . The segments of the base AD , D B must be first found . Let BC be the greater ...
... height of the Monument . Ans . 202 feet . PROBLEM III . The two sides and the base of a triangle ( A B C ) are given to find the perpendicular ( CD ) . RULE . The segments of the base AD , D B must be first found . Let BC be the greater ...
Σελίδα 24
... height of the ridge above the eaves . Ans . 12 feet . NOTE . All the preceding examples may be readily solved by construction , by first laying down the triangles , as in Prob . VI . , Practical Geometry , and then letting fall the ...
... height of the ridge above the eaves . Ans . 12 feet . NOTE . All the preceding examples may be readily solved by construction , by first laying down the triangles , as in Prob . VI . , Practical Geometry , and then letting fall the ...
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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.
Σελίδα 4 - SHIP-BUILDING AND NAVIGATION. 51. NAVAL ARCHITECTURE, by J. Peake. 3s. 53*. SHIPS FOR OCEAN AND RIVER SERVICE, Construction of, by Captain HA Sommerfeldt. Is. 53**.
Σελίδα 145 - EMIGRANT'S GUIDE TO TASMANIA AND NEW ZEALAND, by James Baird, BA [In Preparation. FINE ARTS. 20. PERSPECTIVE, by George Pyne. 2s. 27. PAINTING ; or, A GRAMMAR OF COLOURING, by G. Field. 2s. 40. GLASS STAINING, by Dr. MA Gessert, with an Appendix on the Art of Enamel Painting, &c.
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.