Introduction to Linear DrawingCummings, Hilliard,, 1825 - 64 σελίδες |
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Σελίδα 5
... unequal , it is called Scalene . 24. Raise a perpendicular on a horizontal . ( fig.9 . ) This will produce right angles , as we have be- fore remarked . To ascertain if the angle be exact , take a piece of what is called bonnet paper or ...
... unequal , it is called Scalene . 24. Raise a perpendicular on a horizontal . ( fig.9 . ) This will produce right angles , as we have be- fore remarked . To ascertain if the angle be exact , take a piece of what is called bonnet paper or ...
Σελίδα 8
... unequal sides , it will be well for the monitor to prescribe the length of one or more of them . Thus , he may say : " Make a scalene triangle , of which the three sides shall measure two inches , one inch , and a half inch . " 35. Make ...
... unequal sides , it will be well for the monitor to prescribe the length of one or more of them . Thus , he may say : " Make a scalene triangle , of which the three sides shall measure two inches , one inch , and a half inch . " 35. Make ...
Σελίδα 11
... unequal sides . ( fig.4 . ) The word polygon means many - angled . To make a polygon , the best method is , first to place dots at the angles , and then draw right lines from dot to dot . 5. Make a five sided polygon of unequal sides ...
... unequal sides . ( fig.4 . ) The word polygon means many - angled . To make a polygon , the best method is , first to place dots at the angles , and then draw right lines from dot to dot . 5. Make a five sided polygon of unequal sides ...
Σελίδα 20
... Unequal circles are circles of unequal size only . 24. Make two unequal circles tangent inside . ( fig.15 . ) 25. The centres and the point of contact being giv- en , perform problems 23 and 24 . The monitor will mark the centres , & c ...
... Unequal circles are circles of unequal size only . 24. Make two unequal circles tangent inside . ( fig.15 . ) 25. The centres and the point of contact being giv- en , perform problems 23 and 24 . The monitor will mark the centres , & c ...
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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