. Locomotive engineering : a practical journal of railway motive power and rolling stock . Fig 136. extend this far enough to form a part ofFig- 137- From the center C, with a 9-inch radius, draw a semi-circle, and from //,Fig. 137, draw another semi-circle. Spaceoff the four quadrants in these semi-circlesinto 6 points, and number them as shown ;draw ordinates through these points atright angles to C D. Fig. 137 is complete,and that view is all that is necessary to layout the tee piece. But as the opening andrivet holes are to be laid out in Fig. 139,at which the tee piece rivets. Fig. 136, w
. Locomotive engineering : a practical journal of railway motive power and rolling stock . Fig 136. extend this far enough to form a part ofFig- 137- From the center C, with a 9-inch radius, draw a semi-circle, and from //,Fig. 137, draw another semi-circle. Spaceoff the four quadrants in these semi-circlesinto 6 points, and number them as shown ;draw ordinates through these points atright angles to C D. Fig. 137 is complete,and that view is all that is necessary to layout the tee piece. But as the opening andrivet holes are to be laid out in Fig. 139,at which the tee piece rivets. Fig. 136, willbe required, and to complete that figure,the depth the ordinates encircle the lowercylinder must be secured. This is securedby drawing lines parallel \o C D throughthe points where the different ordinatescut the semi-circles in Fig. 137 ; continuethese lines to cut the similarly numberedordinates in Fig. 136. Mark these pointsjust found, I, 2, 3,4, etc. (If these linescannot be projected or drawn through theymust be secured by measurements.) Now for the tee course. Fig. 138. This isiS inches
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroa, bookyear1892
