Rudimentary treatise on mensuration and measuring |
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Página 3
... centre ; and is estimated by the number of degrees con- tained : -thus the arc AB , the centre of which is C , is the measure of the angle ACB . If the angle ACB contain 42 degrees , 29 minutes , and 48 seconds , it is thus written 42 ...
... centre ; and is estimated by the number of degrees con- tained : -thus the arc AB , the centre of which is C , is the measure of the angle ACB . If the angle ACB contain 42 degrees , 29 minutes , and 48 seconds , it is thus written 42 ...
Página 4
... centres A and B , with any radius , or opening of the compasses , greater than half A B , describe two arcs , cutting ... centre r , with the same radius , describe the arc ns - take the arc mr in the compasses , and apply it from n to s ...
... centres A and B , with any radius , or opening of the compasses , greater than half A B , describe two arcs , cutting ... centre r , with the same radius , describe the arc ns - take the arc mr in the compasses , and apply it from n to s ...
Página 5
... 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 perpendicular required . m 2. When the point is nearly opposite ...
... 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 perpendicular required . m 2. When the point is nearly opposite ...
Página 6
... centres , and radius A B , describe arcs cutting each other in D : draw A D , D C , and the square will be completed ... centre C and radius AB describe another arc , cutting the former in D : join AD , DC to complete the rectangle ...
... centres , and radius A B , describe arcs cutting each other in D : draw A D , D C , and the square will be completed ... centre C and radius AB describe another arc , cutting the former in D : join AD , DC to complete the rectangle ...
Página 7
... centre B , with any distance , describe the arc A C. From A and C , with one and the same radius , describe arcs inter- secting in m . Draw the line B m , and it will bisect the angle as re- quired . PROBLEM XIV . E m To set off an ...
... centre B , with any distance , describe the arc A C. From A and C , with one and the same radius , describe arcs inter- secting in m . Draw the line B m , and it will bisect the angle as re- quired . PROBLEM XIV . E m To set off an ...
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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
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.
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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.