Experimental engineering and manual for testing. For engineers and for students in engineering laboratories (1906)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & Sons; [etc., etc.] · leaf 583
2, method of ordinates. The various planimeters are fullydescribed, pages 32 to 55. With any planimeter the area of the diagram can be ob-tained, in which case the mean ordinate is to be found bydividing by the length of the diagram. Several of the pla-nimeters give the value of the mean ordinate,… … Fig. 259. subtracted from the lengths of the ordinates above. In caseof measurement by the planimeter, if the tracing-point bemade to follow the expansion-line in the order it was drawn bythe indicator-pencil, the part within the loop will be circum-scribed by a reverse motion, and will be deducted…
Building materials · Machinery
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