Journal of the Franklin Institute; devoted to science and the mechanic arts (1826)
Franklin Institute (Philadelphia, Pa.) · Oxford, Eng. [etc.] Pergamon Press [etc.] · leaf 704
t they are not liable to any varia-tion. The unlocking of the detent H, instead of being performed by thependulum, is effected by the impeller; so that, however variable may bethe maintaining force, provided it is never so small as to be unable to raisethe impeller, nor so great as to prevent the… … 206 Progress of Practical Theoretical Mechanics Chemistry. very small velocity, since it is almost at the limit of its oscillation, so thatnothing analogous to the blow of the common scapements takes place; andeven the sudden removal of the pressure of the impeller, when the armreaches the pin L,…
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