Positioning Pen with the Straight Edge
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To draw a straight line, the pen must be perpendicular with the straight edge ruler, as shown in A. A one sided ragged line will result if the pen is positioned at C. If the pen is positioned at B, the ink will run under the edge and form a blot.
Keywords
Ruler, pen, pens, rulers, straight line, straight edge, Positioning Pen with the Straight EdgeGalleries
Mechanical Drawing ToolsSource
French, Thomas E A Manual of Engineering Drawing for Students and Draftsmen (New York, NY: McGraw-Hill, 1911)
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