Introduction to Linear DrawingCummings, Hilliard,, 1825 - 64 σελίδες |
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Σελίδα 5
... base is the side on which the triangle is suppos- ed to rest . The apex of a triangle is the point opposite to the base . The height of a triangle is a perpendicular drawn from the apex to the base . In the figure it is shown by the ...
... base is the side on which the triangle is suppos- ed to rest . The apex of a triangle is the point opposite to the base . The height of a triangle is a perpendicular drawn from the apex to the base . In the figure it is shown by the ...
Σελίδα 6
... base may be horizontal or inclined . 27. Make a rectangular isoceles triangle . There is no difference between this and figures 12 and 13 , except that in an isoceles triangle , two of the sides must be of equal length . In fact , fig ...
... base may be horizontal or inclined . 27. Make a rectangular isoceles triangle . There is no difference between this and figures 12 and 13 , except that in an isoceles triangle , two of the sides must be of equal length . In fact , fig ...
Σελίδα 7
... base , and is marked by the dotted line in the figure . 31. Make a 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 ...
... base , and is marked by the dotted line in the figure . 31. Make a 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 ...
Σελίδα 8
... base , turned to the right , & c . 36. From a given point draw a perpendicular . First draw a right line , then make the proposed point , and lastly draw the perpendicular . 37. Raise a perpendicular on the end of a right line . ( 22 ) ...
... base , turned to the right , & c . 36. From a given point draw a perpendicular . First draw a right line , then make the proposed point , and lastly draw the perpendicular . 37. Raise a perpendicular on the end of a right line . ( 22 ) ...
Σελίδα 10
... bases , are parallel . In the figure , these are the up- per and lower sides . The height is a perpendicular from base to base . As this figure is easily made , the length of the bases and the height may be given : thus , " Make a ...
... bases , are parallel . In the figure , these are the up- per and lower sides . The height is a perpendicular from base to base . As this figure is easily made , the length of the bases and the height may be given : thus , " Make a ...
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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