Rudimentary treatise on mensuration and measuring |
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Σελίδα 1
... breadth , nor thickness . 2. A line has length only , as A. 3. A surface or plane has length and breadth , as B. A B 4. A right or straight line lies wholly in the same direction , as A B. 5. Parallel lines are always at the same ...
... breadth , nor thickness . 2. A line has length only , as A. 3. A surface or plane has length and breadth , as B. A B 4. A right or straight line lies wholly in the same direction , as A B. 5. Parallel lines are always at the same ...
Σελίδα 2
... breadth , as B , ( see figure to definition 3 ) . A L K B 19. A rhombus is a parallelogram having all its sides and each pair of its opposite angles equal , as I. 20. A rhomboid is a parallelogram having its opposite sides and angles ...
... breadth , as B , ( see figure to definition 3 ) . A L K B 19. A rhombus is a parallelogram having all its sides and each pair of its opposite angles equal , as I. 20. A rhomboid is a parallelogram having its opposite sides and angles ...
Σελίδα 6
... breadth . Di B Let the length A B = 5 feet , and the breadth B C = 2. At B erect the perpendicular B C , and make it = 2 - with the centre A and radius B C describe an arc ; and with centre C and radius AB describe another arc , cutting ...
... breadth . Di B Let the length A B = 5 feet , and the breadth B C = 2. At B erect the perpendicular B C , and make it = 2 - with the centre A and radius B C describe an arc ; and with centre C and radius AB describe another arc , cutting ...
Σελίδα 21
... breadth of the river ; the height of the precipice being Ans . 302 97 feet . 103 feet . 6. A ladder of 50 feet long being placed in a street , reached a window 28 feet from the ground on one side ; and by turning the ladder over ...
... breadth of the river ; the height of the precipice being Ans . 302 97 feet . 103 feet . 6. A ladder of 50 feet long being placed in a street , reached a window 28 feet from the ground on one side ; and by turning the ladder over ...
Σελίδα 22
... breadth ? Ans . 4 inches . 4. The scale of the Ordnance survey of Ireland is 6 inches to 1 mile , what length of paper will be sufficient for the map of that country , its length being 300 miles ? Ans . 50 yards . 5. The length of the ...
... breadth ? Ans . 4 inches . 4. The scale of the Ordnance survey of Ireland is 6 inches to 1 mile , what length of paper will be sufficient for the map of that country , its length being 300 miles ? Ans . 50 yards . 5. The length of 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.