The thermal measurement of energy. Lectures delivered at the Philosophical Hall, Leeds (1901)
Griffiths, E. H. (Ernest Howard), 1851-1932 · Cambridge, University Press · leaf 76
urements were also not of the highest ac-curacy. Nevertheless, his work is important; because,not only was his method of degrading energy entirelydifferent from that of Joule but he also endeavouied toobtain the value of the equivalent by the reverse process,that is by measuring the disappearance… … Fig. 7. A cylinder of iron AA (Fig. 7), weighing 350 kilos,was suspended by two pairs of cords which compelledit to move in a vertical plane with its axis alwayshorizontal. This cylinder was used as the hammer orinstrument of percussion. The anvil MB was a largeprismatic mass of stone weighing 9-tl…
Heat, Mechanical equivalent of
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