Rudimentary treatise on mensuration and measuring |
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Página 10
... 12 sides . No of sides . Name of the Polygon . Angle o at the centre . Angle of the polygon . Angle o A B or О В А ... feet ; then , having hed a regular pentagon round it , the side of the figure will be found = 7 feet 3 inches . If 10 ...
... 12 sides . No of sides . Name of the Polygon . Angle o at the centre . Angle of the polygon . Angle o A B or О В А ... feet ; then , having hed a regular pentagon round it , the side of the figure will be found = 7 feet 3 inches . If 10 ...
Página 12
... feet , and that of the latter = 2 feet 1 inches nearly . m PROBLEM XXIX . In , or about , a given circle , to ... 12 PRACTICAL GEOMETRY .
... feet , and that of the latter = 2 feet 1 inches nearly . m PROBLEM XXIX . In , or about , a given circle , to ... 12 PRACTICAL GEOMETRY .
Página 13
... feet 4 inches , that of the hexagon 10 feet , and that of the dodecagon 5 feet 2 inches . PROBLEM XXXI . In a given ... 12 , A C = 15 and B C feet ; and the side a B of the required tri- = 8 feet . Then having drawn a c — A a B angle ...
... feet 4 inches , that of the hexagon 10 feet , and that of the dodecagon 5 feet 2 inches . PROBLEM XXXI . In a given ... 12 , A C = 15 and B C feet ; and the side a B of the required tri- = 8 feet . Then having drawn a c — A a B angle ...
Página 18
... 12 inches = 1 foot . The sign for addition + is read " plus or more ; " thus 2 + 3 = 5. a + b , & c . - The sign for subtraction is read " minus or less ; " thus b , & c . 5 - 2 = 3 , a - The sign for multiplication × is read " into ...
... 12 inches = 1 foot . The sign for addition + is read " plus or more ; " thus 2 + 3 = 5. a + b , & c . - The sign for subtraction is read " minus or less ; " thus b , & c . 5 - 2 = 3 , a - The sign for multiplication × is read " into ...
Página 19
... Feet . 12 1 Yards . 36 3 1 Poles . 198 16 5 1 Furlongs . 7920 660 220 40 1 Mile . 63360 5280 1760 320 8 1 723235050 = 7.92 inches = 1 link . 22 yards = 4 poles = 1 chain of 100 links . 691 English miles = 60 geographical miles = 1 ...
... Feet . 12 1 Yards . 36 3 1 Poles . 198 16 5 1 Furlongs . 7920 660 220 40 1 Mile . 63360 5280 1760 320 8 1 723235050 = 7.92 inches = 1 link . 22 yards = 4 poles = 1 chain of 100 links . 691 English miles = 60 geographical miles = 1 ...
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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
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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.
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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.