Rudimentary treatise on mensuration and measuring |
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Σελίδα 3
... diameter of a circle is a straight · F B B line AB , passing through the centre C , and dividing the circle into two equal parts , each of which is called a semicircle . Half A the diameter AC or CB is called the radius . If a radius CD ...
... diameter of a circle is a straight · F B B line AB , passing through the centre C , and dividing the circle into two equal parts , each of which is called a semicircle . Half A the diameter AC or CB is called the radius . If a radius CD ...
Σελίδα 8
... diameter . Bisect C D in the point O , and that will be the centre . PROBLEM XVII . To describe the circumference of a circle through three given points A B C. B B From the middle point B draw chords to the two other points A , C ...
... diameter . Bisect C D in the point O , and that will be the centre . PROBLEM XVII . To describe the circumference of a circle through three given points A B C. B B From the middle point B draw chords to the two other points A , C ...
Σελίδα 12
... diameters A B , C D , perpen- dicular to each other ; then connect their extremities , and that will give the inscribed square A CD B. Also through their ex- tremities draw tangents parallel to them , and they will form the outer square ...
... diameters A B , C D , perpen- dicular to each other ; then connect their extremities , and that will give the inscribed square A CD B. Also through their ex- tremities draw tangents parallel to them , and they will form the outer square ...
Σελίδα 13
... diameters AP , m n perpendicular to each other , and bisect the radius on at q ; with the centre q and the distance q A , describe the arc Ar ; and with the centre A , and radius A r , describe the arc r B : then is A B one - fifth of ...
... diameters AP , m n perpendicular to each other , and bisect the radius on at q ; with the centre q and the distance q A , describe the arc Ar ; and with the centre A , and radius A r , describe the arc r B : then is A B one - fifth of ...
Σελίδα 14
... diameter , describe a semicircle ; in which apply A B the side of the less square ; join B C , and it will be the side of a square equal to the differ- ence between the two P and R as required . PROBLEM XXXVI . To make a square equal to ...
... diameter , describe a semicircle ; in which apply A B the side of the less square ; join B C , and it will be the side of a square equal to the differ- ence between the two P and R as required . PROBLEM XXXVI . To make a square equal to ...
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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.