Ludy, Llewellyn V., 1875- [from old catalog], American Technical Society · Chicago, American technical society · leaf 87
phere line, making a loop. In finding the area ofsuch a card for computing the power, the area of the loop must besubtracted from the total area. In using a planimeter to determinethe area, it will automatically make the reduction so the reading willbe correct. This loop is frequently spoken of as… … Fig. 63. Pair of Diagrams from PlainSlide-Valve Engine or too small ports or pipes. This wire drawing decreases the areaof the card and indicates a loss. The greatest fault is the inequal-ity of area of the diagram. The late cut-off and consequent latecompression of one end causes more area than…
Indicators for steam-engines · Steam-engines
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