Rational recreations, in which the principles of numbers and natural philosophy are clearly and copiously elucidated, by a series of easy, entertaining, interesting experiments. Among which are all those commonly performed with the cards (1794)
Hooper, W. (William), fl. 1770 · London : Printed for B. Law and son, and G. G. and J. Robinson · leaf 215
J Mfc Sru^> … n RECREATIONS. 179 28. In every machine, when the weightand power are in equilibrio, the leaft ad-ditional power fhould put it and keep itin motion; but from the fridion of thefeveral parts of the machine, it is foundthat, on a medium, near one-third of thefirfl power muft be added to keep the…
Scientific recreations · Card games
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