The thermal measurement of energy. Lectures delivered at the Philosophical Hall, Leeds (1901)
Griffiths, E. H. (Ernest Howard), 1851-1932 · Cambridge, University Press · leaf 137
of a pair of hollow truncatedcones. The second cone C (Fig. 19) fits into the first one andis provided at its upper edge with a pair of steel pins whichcorrespond to the two holes in a grooved wooden disc B(Fig. 18). In the experiment, the disc B prevents the innercone from revolving when the… … Fig. 19. A brass wheel is fixed to the spindle (Fig. 18), and by astring passing round this wheel, and also round a handwheel,motion is imparted to the spindle. A pair of guide pulleysprevents the string from running off the wheel. Above thewheel is a screw cut upon the spindle which moves…
Heat, Mechanical equivalent of
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