Introduction to Linear DrawingCummings, Hilliard,, 1825 - 64 σελίδες |
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Σελίδα 16
... cord . In fig . 3 , the cord is represented by the dotted line . The monitor will mark a centre , and draw a radius for the two following questions . 2. Make a circle round a given centre . ( fig . 1. ) 3. Describe a circle round a ...
... cord . In fig . 3 , the cord is represented by the dotted line . The monitor will mark a centre , and draw a radius for the two following questions . 2. Make a circle round a given centre . ( fig . 1. ) 3. Describe a circle round a ...
Σελίδα 17
... correctness of the arc . 11. Cut an arc into two equal parts . ( fig . 6. ) 12. Cut an arc into three equal parts . ( fig.7 . ) 13. Cut an arc into three smaller ones , and draw the cord of each . ( 8 ) ( 9 ) 14. Describe a circle 3 * 17.
... correctness of the arc . 11. Cut an arc into two equal parts . ( fig . 6. ) 12. Cut an arc into three equal parts . ( fig.7 . ) 13. Cut an arc into three smaller ones , and draw the cord of each . ( 8 ) ( 9 ) 14. Describe a circle 3 * 17.
Σελίδα 20
... cord of an arc , which is the sixth part of a circle , is equal to a radius or half diameter , ( usually called a ... cord between two points of the hexagon . If cords be then drawn between the three remaining points of the hexagon ...
... cord of an arc , which is the sixth part of a circle , is equal to a radius or half diameter , ( usually called a ... cord between two points of the hexagon . If cords be then drawn between the three remaining points of the hexagon ...
Σελίδα 21
... cords of equal arcs , and the points cut the circle into equal parts . 26. Inscribe a regular octagon in a circle . ( fig.16 . ) Draw two diameters perpendicular to each other , then divide each quarter of the circle into halves by ...
... cords of equal arcs , and the points cut the circle into equal parts . 26. Inscribe a regular octagon in a circle . ( fig.16 . ) Draw two diameters perpendicular to each other , then divide each quarter of the circle into halves by ...
Σελίδα 23
... cord which would join these two points . 35. Make several arcs pass through two given points . ( fig . 21. ) Draw one arc as in problem 34 , then a cord from point to point , then a perpendicular to the cord , and then you may make any ...
... cord which would join these two points . 35. Make several arcs pass through two given points . ( fig . 21. ) Draw one arc as in problem 34 , then a cord from point to point , then a perpendicular to the cord , and then you may make any ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
Arithmetick axis called circumference circumscribe column comma cone cord CORINTHIAN ORDER cubick feet Cut a circle cylinder decimal Describe a circle diagonal divide DORICK ORDER dotted line draw a perpendicular Draw a right draw an arc Draw an oblique draw right lines ellipse ENTABLATURE equal sides Example fillets find the surface four sides given point graduated semicircle half diameter halves height hexagon horizontal lines hundredths inches long intercolumniation Ionick isoceles triangle length lengthened mark its centre measure Modules monitor Monitorial School Multiply the base obtuse ogee parallel sides parallelogram parallelopiped PEDESTAL plane parallel preceding figures Prob PROBLEM proportions pupil quarter quarter-round radius Raise a perpendicular rectangle regular polygon right angled triangle right line drawn RULE sandths scalene scalene triangle sided polygon sixth class smaller sides solid contents square inches square yards string subtract superficies tenths thousandths three equal torus trapezium triangular prism Tuscan upright