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 98
y enlighten a ipace of the fame di-menfion \^ith the mirror, at a s^reat di-fiance. If the luminous objedt be placednearer than the focus, its rays will di-verge, and ccnfequentiy enlighten a lar-ger fpace *. IV. In all plane and fpherical mirrorsthe angle of incidence is equal to theangle of…
Scientific recreations · Card games
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