Introduction to Linear DrawingCummings, Hilliard,, 1825 - 64 σελίδες |
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Σελίδα 27
... give the side of a square , half as large as the great square . 8. Make a graduated semicircle , usually called a Protracter . ( fig . 4. ) 60 90 75 105 120 135 ( 4 ) 150 By general consent a circle is divided into 360 equal parts ...
... give the side of a square , half as large as the great square . 8. Make a graduated semicircle , usually called a Protracter . ( fig . 4. ) 60 90 75 105 120 135 ( 4 ) 150 By general consent a circle is divided into 360 equal parts ...
Σελίδα 32
... gives to the base of a cone the form of an ellipse . The cone presents no other difficulty than the ellipse . 16. Draw an upright cone . ( fig . 10. ) ( 10 ) 17. Draw an oblique cone , and cut it by two planes parallel to the base ...
... gives to the base of a cone the form of an ellipse . The cone presents no other difficulty than the ellipse . 16. Draw an upright cone . ( fig . 10. ) ( 10 ) 17. Draw an oblique cone , and cut it by two planes parallel to the base ...
Σελίδα 45
... gives the height of all the sub- divisions . A vertical or perpendicular is drawn , on which are successively marked the lengths of the cornice , the frieze , the architrave , & c . On these points , horizon- tals are drawn , between ...
... gives the height of all the sub- divisions . A vertical or perpendicular is drawn , on which are successively marked the lengths of the cornice , the frieze , the architrave , & c . On these points , horizon- tals are drawn , between ...
Σελίδα 50
... give 10 thousandths for the quotient ; hundredths divided by hundredths , give hundredths , & c . In the above sum , the answer is , 2 ten thousandths and 3 tenths of a ten thousandth . Again , divide 154,3 by 21,26 . 21,26 ) 15430 ( 7 ...
... give 10 thousandths for the quotient ; hundredths divided by hundredths , give hundredths , & c . In the above sum , the answer is , 2 ten thousandths and 3 tenths of a ten thousandth . Again , divide 154,3 by 21,26 . 21,26 ) 15430 ( 7 ...
Σελίδα 51
... give this result . Example 1. The smaller sides of a rectangular tri- angle , ( figs . 12 and 13 ) are one 3 , and the other 4 inches , find the larger side . 3 times 3 are 9 4 times 4 are 16 These added make 25 5 multiplied by itself ...
... give this result . Example 1. The smaller sides of a rectangular tri- angle , ( figs . 12 and 13 ) are one 3 , and the other 4 inches , find the larger side . 3 times 3 are 9 4 times 4 are 16 These added make 25 5 multiplied by itself ...
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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