Mechanical Drawing Self-taught: Comprising Instructions in the Selection and Preparation of Drawing Instruments. Elementary Instruction in Practical Mechanical Drawing. Together with Examples in Simple Geometry and Elementary Mechanism, Including Screw Threads, Gear Wheels, Mechanical Motions, Engines and Boilers |
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Results 1-5 of 27
Page vii
... thickness of the tube is shown ; where the hollow or hole is seen , the piece shown in section ; where the body is bell - mouthed and the hollow curve shown by shading ...... .. 88 Example of line - shading to denote the relative ...
... thickness of the tube is shown ; where the hollow or hole is seen , the piece shown in section ; where the body is bell - mouthed and the hollow curve shown by shading ...... .. 88 Example of line - shading to denote the relative ...
Page 27
... thickness of the sheets increasing with their size . Some sheets of paper are hot pressed , to give a smoother surface , and thus enable cleaner - edged lines to be drawn . T For large drawings paper is made in rolls of various widths ...
... thickness of the sheets increasing with their size . Some sheets of paper are hot pressed , to give a smoother surface , and thus enable cleaner - edged lines to be drawn . T For large drawings paper is made in rolls of various widths ...
Page 32
... thicker the ink can be used the better , because the tendency of the carbon to separate is less ; and it is for this reason that the test mentioned with a tum- bler of water is so accurate . When ink is to be used on parchment , or ...
... thicker the ink can be used the better , because the tendency of the carbon to separate is less ; and it is for this reason that the test mentioned with a tum- bler of water is so accurate . When ink is to be used on parchment , or ...
Page 35
... thickness must be equal around the arc , so that the same thickness of line will be drawn whether the pen be held vertical or slanted in either direction . The outside faces of the pen should be slightly curved , so that when held ...
... thickness must be equal around the arc , so that the same thickness of line will be drawn whether the pen be held vertical or slanted in either direction . The outside faces of the pen should be slightly curved , so that when held ...
Page 36
... thickness at the pen - point edge , so that when closed together the point will be in the middle of the edge . The width and curve of each individual point should be quite equal , and the easiest method of attaining this end is as ...
... thickness at the pen - point edge , so that when closed together the point will be in the middle of the edge . The width and curve of each individual point should be quite equal , and the easiest method of attaining this end is as ...
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Common terms and phrases
45 degrees 60 degrees BAIRD & CO.'S bolt centre draw centre line circumference construction cut-off cutter cylinder degrees of angle denoted depth diagonal line dimensions distance divided dotted lines draw line draw the arc draw the line drawn eccentric ellipse emery paper end view Engineer engravings Enneagon epicycloidal equal divisions example face foci Franklin Institute given half hence HENRY CAREY BAIRD hexagon horizontal line Illustrated inch India ink intersection JOSHUA ROSE lamp-black length line E line G line O B line shading moved mucilage pen-point pencil lines piece pitch circle points of division polygon position Practical radius regular polygons represents right angle scale screw SCREW THREADS shaft shown in Figure side view slots square blade steam straight line stroke surface teeth thickness thread tooth top view Treatise triangle valve vertical lines wheel width
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