Introduction to Linear DrawingCummings, Hilliard,, 1825 - 64 σελίδες |
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Σελίδα v
... lower classes may consist of any number , but for every six or eight scholars there should be a monitor . The first class draw right lines , angles , parallels , per- pendiculars and triangles . The second class draw polygons , and ...
... lower classes may consist of any number , but for every six or eight scholars there should be a monitor . The first class draw right lines , angles , parallels , per- pendiculars and triangles . The second class draw polygons , and ...
Σελίδα 6
... lower left hand one in fig . 12 , and the top one in fig . 13. The 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 ...
... lower left hand one in fig . 12 , and the top one in fig . 13. The 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 ...
Σελίδα 7
Louis-Benjamin Francœur, William Bentley Fowle. right hand lower angles are as far apart as the other two angles are . Figure 14 is what is often called a long or oblong squure . 29. Make a rectangle , and cut it into equal right angles ...
Louis-Benjamin Francœur, William Bentley Fowle. right hand lower angles are as far apart as the other two angles are . Figure 14 is what is often called a long or oblong squure . 29. Make a rectangle , and cut it into equal right angles ...
Σελίδα 9
... lower then by making the Make an angle of any size , and of the same size by the side of it . angle of fig . 24 to be made first , upper right line , the angle will be doubled . ( 25 ) 42. Triple an angle . ( fig . 25. ) ( 26 ) 43. Cut ...
... lower then by making the Make an angle of any size , and of the same size by the side of it . angle of fig . 24 to be made first , upper right line , the angle will be doubled . ( 25 ) 42. Triple an angle . ( fig . 25. ) ( 26 ) 43. Cut ...
Σελίδα 10
... 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 trapezium whose height shall be one inch , and whose bases shall be an ...
... 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 trapezium whose height shall be one inch , and whose bases shall be an ...
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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