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" Heavy lines on the shade sides of objects should be used, except where they tend to thicken the work and obscure letters of reference. The light is always supposed to come from the upper left-hand corner at an angle of 45°. "
Elements of Mechanical Drawing: The Use of Instruments; Theory of Projection ... - Page 24
by Gardner Chace Anthony - 1904 - 152 pages
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Information to Persons Having Business to Transact at the Patent Office

United States. Patent Office - Patent laws and legislation - 1888 - 132 pages
...used, except where they tend to thicken 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 not be attempted. (5) The scale to...
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The Little Lawyer; Or, The Farmers', Mechanics', Miners', Laborers', and ...

Henry A. Gaston - Commercial law - 1880 - 336 pages
...used, except where they tend to thicken 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 must never be attempted. The scale to which...
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The Law of Patents, Trade-marks, Labels and Copy-rights: Consisting of the ...

Orlando Bump - Copyright - 1884 - 912 pages
...used, except where they tend to thicken the work and obscure letters of reference. 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 be attempted. (5.) The scale...
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Appletons' Cyclopędia of Technical Drawing: Embracing the Principles of ...

William Ezra Worthen - Architectural drawing - 1892 - 848 pages
...should be used, except where thty tend to thicken the work and obscure letters ot reference; light to come from the upper left-hand corner, at an angle of 45°. The scale of the drawing to be large enough to show the mechanism without crowding; but the number...
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Root's Military Topography and Sketching: Prepared for Use in the United ...

Edwin Alvin Root - Military topography - 1902 - 458 pages
...Ordinarily no effort will be made to show lights and shadows on military maps, but when they are shown the light is supposed to come from the upper left.hand corner at an angle of 45° with the horizontal. WITHOUT COLORS.— Forests of deciduous trees, except oaks, are represented by...
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A Manual of Drawing

Clarence Edwin Coolidge - Mechanical drawing - 1902 - 220 pages
...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 . not be attempted. The scale to...
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The Principles of the Administrative Law Governing the Relations of Public ...

Bruce Wyman - Administrative law - 1903 - 660 pages
...used, except where they tend to thicken 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 not be attempted. (5) The scale to...
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Elements of General Drafting for Mechanical Engineers

Clarence Edwin Coolidge, Henry L. Freeman - Mechanical drawing - 1904 - 104 pages
...used, except when they tend to thicken the work and obscure letters of reference. 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. The scale to which a drawing is made...
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Elements of Mechanical Drawing: Their Application and a Course in Mechanical ...

Alpha Pierce Jamison - Mechanical drawing - 1904 - 268 pages
...used, except where they tend to thicken 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 not be attempted. 139. Scale of the...
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Elements of Mechanical Drawing: Their Application and a Course in Mechanical ...

Alpha Pierce Jamison - Mechanical drawing - 1904 - 268 pages
...used, except where they tend to thicken 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 not be attempted. i39. Scale of th'e...
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