Introduction to Linear DrawingCummings, Hilliard,, 1825 - 64 σελίδες |
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Σελίδα vi
... square , and protracter or graduated semicircle . The rule should be a good one , with the inches and tenths of inches marked on it , that , when the pupils have become expert in making the figure , the difficulty may be increased by ...
... square , and protracter or graduated semicircle . The rule should be a good one , with the inches and tenths of inches marked on it , that , when the pupils have become expert in making the figure , the difficulty may be increased by ...
Σελίδα 5
... square will serve the same purpose , but does not so satisfactorily show that a right angle is equal to a quarter of a circle , which is also called a quadrant . 25. Cross a right line with a perpendicular . ( fig.10 . ) The right line ...
... square will serve the same purpose , but does not so satisfactorily show that a right angle is equal to a quarter of a circle , which is also called a quadrant . 25. Cross a right line with a perpendicular . ( fig.10 . ) The right line ...
Σελίδα 7
... square . ( fig . 17. ) This figure has its four sides equal , and all its angles right . ( 18 ) » « ( 19 ) 32. Draw two angles with parallel sides . ( figs . 18 and 19. ) Two angles , as in fig . 18 , are called parallel , not be- cause ...
... square . ( fig . 17. ) This figure has its four sides equal , and all its angles right . ( 18 ) » « ( 19 ) 32. Draw two angles with parallel sides . ( figs . 18 and 19. ) Two angles , as in fig . 18 , are called parallel , not be- cause ...
Σελίδα 8
... the proposed point , and lastly draw the perpendicular . 37. Raise a perpendicular on the end of a right line . ( 22 ) ( 20 ) ( 21 ) 38. Make a Rhomb or Lozenge . ( fig . 21. ) The four sides are equal as in the square , 8.
... the proposed point , and lastly draw the perpendicular . 37. Raise a perpendicular on the end of a right line . ( 22 ) ( 20 ) ( 21 ) 38. Make a Rhomb or Lozenge . ( fig . 21. ) The four sides are equal as in the square , 8.
Σελίδα 9
... square , but the angles are not right angles . To draw this figure , make a right line , cross it with a perpendicular , like the dot- ted lines in the figure , and then draw the sides . If the Rhomb or Lozenge have all the angles equal ...
... square , but the angles are not right angles . To draw this figure , make a right line , cross it with a perpendicular , like the dot- ted lines in the figure , and then draw the sides . If the Rhomb or Lozenge have all the angles equal ...
Άλλες εκδόσεις - Προβολή όλων
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