Introduction to Linear DrawingCummings, Hilliard,, 1825 - 64 σελίδες |
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Σελίδα 6
... rectangle . ( fig . 14. ) ( 13 ) A rectangle is properly a figure with four sides , of which each two opposite sides are equal and parallel , and of which all the angles are right angles . ( 14 ) ( 15 ) The lower side is the base , and ...
... rectangle . ( fig . 14. ) ( 13 ) A rectangle is properly a figure with four sides , of which each two opposite sides are equal and parallel , and of which all the angles are right angles . ( 14 ) ( 15 ) The lower side is the base , and ...
Σελίδα 7
... rectangle , and cut it into equal right angles . ( fig . 15. ) ( 16 ) ( 17 ) 30. Make a parallelogram , and mark its height . ( fig . 16. ) The parallelogram ,. like the rectangle , has its oppo- site sides parallel , but none of its ...
... rectangle , and cut it into equal right angles . ( fig . 15. ) ( 16 ) ( 17 ) 30. Make a parallelogram , and mark its height . ( fig . 16. ) The parallelogram ,. like the rectangle , has its oppo- site sides parallel , but none of its ...
Σελίδα 9
... rectangle into halves . ( fig . 23. ) This will make two angles , whose exactness may be tested by an eighth part of a circle of pasteboard , the rectangle being quarter of a circle , as was stated under Prop . 24 . 40. Cut an acute ...
... rectangle into halves . ( fig . 23. ) This will make two angles , whose exactness may be tested by an eighth part of a circle of pasteboard , the rectangle being quarter of a circle , as was stated under Prop . 24 . 40. Cut an acute ...
Σελίδα 51
... 25 , and the greater side or side required , must be 5 inches . Example 2. In a rectangle , ( 1st Class , fig . 14 , ) it is known that the base is 8 inches , 54 hundredths , the height is unknown , but the diagonal ( a right 51 PART I.
... 25 , and the greater side or side required , must be 5 inches . Example 2. In a rectangle , ( 1st Class , fig . 14 , ) it is known that the base is 8 inches , 54 hundredths , the height is unknown , but the diagonal ( a right 51 PART I.
Σελίδα 53
... rectangle ( Ex . 2 ) is 7,15 ; the diagonal 13,25 ; required the height ( that is , the third side of the triangle . ) 8. The base of a rectangle is 4,75 and the height 7,25 required the diagonal , or longest side of the trian- gle . 9 ...
... rectangle ( Ex . 2 ) is 7,15 ; the diagonal 13,25 ; required the height ( that is , the third side of the triangle . ) 8. The base of a rectangle is 4,75 and the height 7,25 required the diagonal , or longest side of the trian- gle . 9 ...
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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