 | United States. Patent Office - 1888 - 132 σελίδες
...should be indicated on the general view by a broken or dotted line. Heavy lines on the shade sides of objects should be used, except where they tend...The light is always supposed to come from the upper left-hand corner at an angle of forty-five degrees. Imitations of wood or surface graining should not... | |
 | United States. Patent Office - 1955 - 172 σελίδες
...should be made by oblique parallel lines, which may be not less than about one-twentieth inch apart. Heavy lines on the shade side of objects should be...except where they tend to thicken the work and obscure reference characters. The light should come from the upper left-hand corner at an angle of 45°. Surface... | |
 | Henry A. Gaston - 1880 - 336 σελίδες
...should be indicated on the general view by a broken or dotted line. Heavy lines on the shade sides of objects should be used, except where they tend...The light is always supposed to come from the upper left-hand corner, at an angle of forty-five degrees. Imitations of wood or surface-graining must never... | |
 | Orlando Bump - 1884 - 912 σελίδες
...should be indicated on the general view by a broken or dotted line. Heavy lines on the shade sides of objects should be used, except where they tend...The light is always supposed to come from the upper lefthand corner, at an angle of forty-five degrees. Imitations of wood or surface-graining should not... | |
 | William Ezra Worthen - 1892 - 850 σελίδες
...views should be indicated on the general view by broken or dotted lines. Heavy lines on the shade sides of objects should be used, except where they tend to thicken the work nnd obscure letters of reference; light to curne from the upper left-hand corner, at an angle of 45°.... | |
 | Clarence Edwin Coolidge - 1902 - 220 σελίδες
...line. Heavy lines on the shade sides of objects should be used, except when they tend to thicken the the work and obscure letters of reference. The light is always supposed to come from the upper left-hand corner at an angle of forty-five degrees. Imitations of wood or surface graining should .... | |
 | Bruce Wyman - 1903 - 668 σελίδες
...should be indicated on the general view by a broken or dotted line. Heavy lines on the shade sides of objects should be used, except where they tend...The light is always supposed to come from the upper left-hand coruer at an angle of forty-five degrees. Imitations of wood or surface graining should not... | |
 | Alpha Pierce Jamison - 1904 - 268 σελίδες
...should be indicated on the general view by a broken or dotted line. Heavy lines on the shade sides of objects should be used, except where they tend...The light is always supposed to come from the upper left-hand corner at an angle of forty-five degrees. Imitations of wood or surface graining should not... | |
 | Alpha Pierce Jamison - 1904 - 268 σελίδες
...should be indicated on the general view by a broken or dotted line. Heavy lines on the shade sides of objects should be used, except where they tend...The light is always supposed to come from the upper left-hand corner at an angle of forty-five degrees. Imitations of wood or surface graining should not... | |
 | Clarence Edwin Coolidge, Henry L. Freeman - 1904 - 104 σελίδες
...view by a broken or dotted line. Heavy lines on the shade sides of objects should be used, except when they tend to thicken the work and obscure letters...The light is always supposed to come from the upper left-hand corner at an angle of 45°. Imitations of wood or surface graining should not be attempted.... | |
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The scale to which a drawing is made ought to be large enough to show the mechanism without crowding... 
