front serves also for regulating two points on the diagram with a properly divided the other the east spindle. The north spindle is car- the vibrations of the registering lever. The instru- parallel ruler, and then slide the ruler over the faint ried by a nut in which the east spindle works, and on… … against the paper and the time as shown by the deavor is made to avoid complicated installations. clock is recorded thereon. The wheel has a rat- the Foreground ; the Time-Printing Wheel is Shown ——__ -_+ 9+ chet wheel fast with it, with 48 teeth, engaging a The Atchison, Topeka, and Santa Fé…
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