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 188
removed without disconnecting any one part ofthe instrument in case it is desired to change springs. THE INDICATOR 175 A cut of the improved instrument is herewith pre-sented. Fig. 39 is a sectional view of the American Thomp-son improved indicator. Fig. 40 shows the spring.Fig. 41 is a three way… … FIGURE 41. the employment of gears and pulleys of different diam-eters, the motion is reduced to within the compass ofthe drum, and the device is applicable to almost anymake of engine, whether of high or low speed. Somemakers of indicators attach the reducing wheel directlyto the indicator, thus…
