| Science - 1889
...other at 0, while the seventh is attached to the rhombus at A. The points C and O are fixed points, and the distance between them is equal to the length of the seventh bar, CA. Elementary geometry shows that the points A, O, P will always lie in a straight line,... | |
| Cecil Hobart Peabody - Indicators for steam-engines - 1900 - 153 pages
...on page 68. The planimeter shown by Figs. 47 and 48 has two points on the back of the tracing-arm, and the distance between them is equal to the length of the arm from hinge to tracing-point. As shown by Fig. 48, these points may be adjusted to the length of... | |
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