Practical stationary engineering : in form of questions and answers (1909)
West, Andrew Cassius, 1855- · Boston, Mass. : A.C. West · leaf 220
he accompanying cut, for measur-ing the area of indicator diagrams. By using this instru-ment, the whole work of measuring a diagram can be donein one minute. Engineers who have many indicator cards to work up can-not afford to be without a planimeter. Directions for Using the Planimeter.Press the… … Figure 67. 208 PRACTICAL STATIONARY ENGINEERING jection. The roller must move on a continuous flatsurface. It is also well to fasten the diagram to a drawing board, orsome other flat surface, by means of pins or springs, to pre-vent it from slipping. Mark a starting point at any point on the…
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