 | Henry A. Gaston - 1880 - 336 pages
...the bottom of the sheet. All drawings must be made with the pen only, using the blackest Indian ink. Every line and letter (signatures included) must be...or crowded. Surface shading, when used, should be left very open. Sectional shading should be by oblique parallel lines, which may be about one twentieth... | |
 | United States - 1906 - 72 pages
...date. (See specimen drawing between pages 38 and 39.) (3) All drawings must be made with the pen only. Every line and letter, signatures included, must be...This direction applies to all lines, however fine, and to shading. All lines must be clean, sharp, and solid, and they must not be too fine or crowded.... | |
 | Great Britain. Parliament. House of Commons - 1900 - 754 pages
...(See specimen of drawing between pp. 288 and 289.) (3.) All drawings must be made with the pen only. Every line and letter, signatures included, must be...This direction applies to all lines, however fine, and to shading. Al! lines must be clean, sharp, and solid, and they must not be too fine or crowded.... | |
 | Bruce Wyman - 1903 - 668 pages
...for the heading of title, name, number, and date. (3) All drawings must be made with the pen only. Every line and letter (signatures included) must be...black. This direction applies to all lines, however flue, to shading, and to lines representing cut surfaces in sectional views. All lines must be clean,... | |
 | 1904 - 962 pages
...the blackest India ink Every line and letter, including the signature must be absolutely black. This applies to all lines, however fine, to shading and...or crowded. Surface shading, when used, should be left very open. Sectional shading should be by oblique parallel lines, which may be about one-twentieth... | |
 | Alpha Pierce Jamison - 1904 - 268 pages
...number, and date. 137. Character and Color of Lines. — (3) All drawings must be made with the pen only. Every line and letter (signatures included) must be...This direction applies to all lines, however fine, to s ading, and to lines representing cut surfaces in sectional views. All lines must be clean, sharp,... | |
 | Alpha Pierce Jamison - 1904 - 268 pages
...number, and date. i37. Character and Color of Lines. — (3) All drawings must be made with the pen only. Every line and letter (signatures included) must be...This direction applies to all lines, however fine, to s ading, and to lines representing cut surfaces in sectional views. All lines must be clean, sharp,... | |
 | Richards & Co. (New York, N.Y.) - 1904 - 572 pages
...must be absolutely black. India ink «lone must be used, to secure perfectly black and solid lines. All lines must be clean, sharp and solid, and they must not bo too tino or crowded. This rule applies to all lines, however tine, to shading, and to lines representing... | |
 | Clarence Edwin Coolidge, Henry L. Freeman - 1904 - 104 pages
...no center lines, dimension lines, etc. — • All drawings must be made with the pen only. Ever}' line and letter (signatures included) must be absolutely black. This direction applies FIG. 48. Author.) By the observance of this rule the effectiveness of the work after reduction will... | |
 | Charles Laban Adams - 1908 - 224 pages
...for the heading of title, name, number, and date. (3) All drawings must be made with the pen only. Every line and letter (signatures included) must be...crowded. Surface shading, when used, should be open. Sec. tional shading should be made by oblique parallel lines, which may be about one-twentieth of an... | |
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This direction applies to all lines however fine, to shading, and to lines representing cut surfaces in sectional views. All lines must be clean, sharp, and solid, and fine or crowded lines should be avoided. Solid black should not be used for sectional... 
