Rudimentary treatise on mensuration and measuring |
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Σελίδα
... Tangent.- Cases I. and II . CONTENTS OF RAILWAY CUTTINGS - Tables . 127 .ibid . · . 129 . 130 PROB . I. - To find the Contents of Railway Cuttings from their Depths 132 PROB . II . To find the Contents of Railway Cuttings from Sectional ...
... Tangent.- Cases I. and II . CONTENTS OF RAILWAY CUTTINGS - Tables . 127 .ibid . · . 129 . 130 PROB . I. - To find the Contents of Railway Cuttings from their Depths 132 PROB . II . To find the Contents of Railway Cuttings from Sectional ...
Σελίδα 8
... tangent to a given circle . CASE I. When A is in the circumference of the circle . A C From the given point A , draw A O to the centre of the circle ; then through A draw B C perpendicular to A O , and it will be the tangent as required ...
... tangent to a given circle . CASE I. When A is in the circumference of the circle . A C From the given point A , draw A O to the centre of the circle ; then through A draw B C perpendicular to A O , and it will be the tangent as required ...
Σελίδα 12
... tangents parallel to them , and they will form the outer square m n o p . NOTE . If any quadrant , as A C , be bisected in q , it will give one - eighth of the circumference , or the side of the octagon . B n A F PROBLEM XXX . In a ...
... tangents parallel to them , and they will form the outer square m n o p . NOTE . If any quadrant , as A C , be bisected in q , it will give one - eighth of the circumference , or the side of the octagon . B n A F PROBLEM XXX . In a ...
Σελίδα 13
... Tangents being drawn through the angular points will form the circumscribing pentagon or decagon . EXAMPLE . In a circle , the radius of which is 10 feet , inscribe a pentagon and decagon . Having measured a side of each of the figures ...
... Tangents being drawn through the angular points will form the circumscribing pentagon or decagon . EXAMPLE . In a circle , the radius of which is 10 feet , inscribe a pentagon and decagon . Having measured a side of each of the figures ...
Σελίδα 116
... tangent screw D. The two parallel plates are connected together by the ball and socket already mentioned , and are set firm by four mill - headed screws , which turn in sockets fixed to the lower plate , while their heads press against ...
... tangent screw D. The two parallel plates are connected together by the ball and socket already mentioned , and are set firm by four mill - headed screws , which turn in sockets fixed to the lower plate , while their heads press against ...
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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.