Rudimentary treatise on mensuration and measuring |
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Página 5
... nearly opposite the middle of the line . From C , as a centre , describe an arc to cut AB in m and n ; -with centres m and n , and the same or any other radius , describe arcs intersecting in o : through C and o draw Co , the ...
... nearly opposite the middle of the line . From C , as a centre , describe an arc to cut AB in m and n ; -with centres m and n , and the same or any other radius , describe arcs intersecting in o : through C and o draw Co , the ...
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... nearly . m PROBLEM XXIX . In , or about , a given circle , to describe a square or an octagon . C D n B Draw two diameters A B , C D , perpen- dicular to each other ; then connect their extremities , and that will give the inscribed ...
... nearly . m PROBLEM XXIX . In , or about , a given circle , to describe a square or an octagon . C D n B Draw two diameters A B , C D , perpen- dicular to each other ; then connect their extremities , and that will give the inscribed ...
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... nearly . 9. The base of an isosceles triangle is 25 feet , and its two sides are each 32 feet ; required the perpendicular . Ans . 30 feet . 10. The diagonal of a square is 10 yards , required the length of one of its sides . Ans . 7 ...
... nearly . 9. The base of an isosceles triangle is 25 feet , and its two sides are each 32 feet ; required the perpendicular . Ans . 30 feet . 10. The diagonal of a square is 10 yards , required the length of one of its sides . Ans . 7 ...
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... nearly . 3. In the ground plan of a building 120 feet long and 50 broad , the length , as laid down , is 10 inches ; what must be its breadth ? Ans . 4 inches . 4. The scale of the Ordnance survey of Ireland is 6 inches to 1 mile , what ...
... nearly . 3. In the ground plan of a building 120 feet long and 50 broad , the length , as laid down , is 10 inches ; what must be its breadth ? Ans . 4 inches . 4. The scale of the Ordnance survey of Ireland is 6 inches to 1 mile , what ...
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... nearly . 3. A house 21 feet in width , has a roof with unequal 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 ...
... nearly . 3. A house 21 feet in width , has a roof with unequal 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 ...
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Términos y frases comunes
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
Pasajes populares
Página 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.
Página 51 - The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed.
Página 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.
Página 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.
Página 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**.
Página 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.
Página 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...
Página 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.