Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 194
FIGURE 47. THE INDICATOR 181 bored through the pendulum or a wood screw to whichthe ccrd can be attached. From this point the cordshould be led over a guide pulley located at suchheight that when the pendulum is vertical the cordwill leave it at right angles. After leaving the guidepulley the cord… … FIGURE 48. with the pivoted end of the pendulum (Fig. 48), butwith this arrangement, owing to the curved travel ofthe pendulum, there is greater liability to distortion ofthe diagram than in the first method. In case it isdesired to use the Brumbo pulley, the radius of thesegment can be found by…
