 The depression of the lever, h, raises the springs, *, which act as levers, and bring the diamond points, mm! , down upon the paper. When an experiment is to be made, care is taken to see that the two currents are complete. The fly-wheel, A, is set in...  Description of a Chronograph, Adapted for Measuring the Varying Velocity of ... - Page 11de Francis Bashforth - 1866 - 32 pagesAffichage du livre entier - À propos de ce livre
 | James Samuelson, Henry Lawson, William Sweetland Dallas - 1871 - 496 pages
...in two seconds; the currents are completed, the markers mm' are brought down to the paper cylinder K and after four or five beats of the clock the " signal to fire " is given, so that in »bout ten seconds the experiment is completed and the instrument is ready for another. The passage... | |
 | Joseph Sladen - 1879 - 192 pages
...depression of the lever, h, raises the springs, *, which act as levers, and bring the diamond points, mm! , down upon the paper. When an experiment is to be made,...completed, and the instrument is ready for another. Fig. 7 gives a full-sized view of one of the markers, showing the way in which it is moved. The depression... | |
 | Francis Bashforth - 1890 - 342 pages
...revolutions in two seconds. The markers m, m are brought down upon the paper, and after one or two beats of the clock the signal to fire is given, so that in about five seconds the experiment is completed, and the instrument is ready for another. 22. Fig. 4 gives... | |
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