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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Page xi
... stroke cam ..... Different views 232 234 237 Illustration of the lines embracing cut - off cams of varying limits of cut - off ... 240 Part played by the stroke of the engine in determining the conformation of cut - off cams ; manner of ...
... stroke cam ..... Different views 232 234 237 Illustration of the lines embracing cut - off cams of varying limits of cut - off ... 240 Part played by the stroke of the engine in determining the conformation of cut - off cams ; manner of ...
Page 37
... stroke the whole length around the curved end of the pen will meet the emery surface . During this motion the inside faces of the pen - point must be held as nearly vertical as possible , so as to keep the two halves of the pen - point ...
... stroke the whole length around the curved end of the pen will meet the emery surface . During this motion the inside faces of the pen - point must be held as nearly vertical as possible , so as to keep the two halves of the pen - point ...
Page 75
... stroke required . Divide it into any number of B Fig . 86 . equal parts , and from C as a centre draw circles through the points of division . Draw the outer circle and divide its circumference into twice as many equal divisions as the ...
... stroke required . Divide it into any number of B Fig . 86 . equal parts , and from C as a centre draw circles through the points of division . Draw the outer circle and divide its circumference into twice as many equal divisions as the ...
Page 234
... stroke , maintaining a uniform steam - port opening during nearly the entire length of stroke , and as abruptly closing the valves at the termi- nation of the stroke . Figure 268 is a top view of the mechanism in Figure 267 ; and Figure ...
... stroke , maintaining a uniform steam - port opening during nearly the entire length of stroke , and as abruptly closing the valves at the termi- nation of the stroke . Figure 268 is a top view of the mechanism in Figure 267 ; and Figure ...
Page 237
... stroke cam , such as C in Figure 267 , is illustrated in Figure 272 , in which the dimensions are assumed to be as follows : Diameter of crank shaft , 71⁄2 inches ; travel of cam , 3 inches ; width of yoke , 18 inches . -18- + 1 % Scale ...
... stroke cam , such as C in Figure 267 , is illustrated in Figure 272 , in which the dimensions are assumed to be as follows : Diameter of crank shaft , 71⁄2 inches ; travel of cam , 3 inches ; width of yoke , 18 inches . -18- + 1 % Scale ...
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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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