. Locomotive engineering : a practical journal of railway motive power and rolling stock . in a similarmanner and the outline is complete. Nowfor the ordinates, set one leg of the di-viders at L, the point midway between 3/and A, and draw the semi-circle M K. Setthe dividers at the point midway between(and iV, and draw the semi-circle the semi-circles IV O and A P in thesame manner, and, after this is completed. space off each semi-circle in thirteen points,and draw the ordinates through the semi-circle A Fat right angles to the diameterA FanA just cutting the Vme: S F; num-ber these o
. Locomotive engineering : a practical journal of railway motive power and rolling stock . in a similarmanner and the outline is complete. Nowfor the ordinates, set one leg of the di-viders at L, the point midway between 3/and A, and draw the semi-circle M K. Setthe dividers at the point midway between(and iV, and draw the semi-circle the semi-circles IV O and A P in thesame manner, and, after this is completed. space off each semi-circle in thirteen points,and draw the ordinates through the semi-circle A Fat right angles to the diameterA FanA just cutting the Vme: S F; num-ber these ordinates from i to 13, beginningwith No. I at F. Draw the ordinatesthrough the semi-circle CG at right anglesto C G, just cutting the line G V; num- X P; make a short mark across the lineor- diameter A P, move the square alongthe line A P till the blade comes in linewith the point No. 11, then draw a shortmark across the line A /. Proceed in the sariie manner until all thepoints are marked on the line X P, thenmove to the lines W O, V N and M \ 7£ 0 l. 9 1 31 11; ? 1 3 1C 14 2 1 ir 1 13 L 8 ai 9 > 3 7 e z> ^ 3 ^ I . 3 , p ? 3 ^ 1 5 ( 3 7 B I 6* 0(1 F < .1 e [ i » I \r-, (( ( 0 c !_j 1 ( 1 ( )_< i_j , ( l i b < i ( . 65432 1 23456789 10 II 12 13 IE II 10987 vF ) p/mmm^ °1 1^TTia\llErkl\\\^ 1= T,.6 //7S^ / 1J f i i i I / //SsU f/iQ-lp w. 1 ——4———\ \ \ \ \ \ 1 ^+--4__ic c LWrtjEld^ \X< 1 T I 1 ^ --f ^ 7 4 * Foreman Boiler-maker, C,Dubuque, Iowa. M. & St. P. Ry., ber them from i to 13, beginning with at G. In this elbow each section must belaid out separately, as no two are .similar,consequently the ordinates must be drawnthrough each and every section. So startwith the section X V G P, by laying thesquare along and up to the line X P, theblade to the point No. 12 on the semi-circle Mark them in the same manner until themarks are found on all these lines, afterwhich continue the ordinates alreadydrawn through each section until all aredr
Size: 1560px × 1602px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroa, bookyear1892