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Endless amusement : a collection of nearly 400 entertaining experiments in various branches of science, including acoustics, arithmetic, chemistry, electricity, hydraulics, hydrostatics, magnetism, mechanics, optics, wonders of the air pump, all the popular tricks and changes of the cards, &c., &c., &c. : to which is added, A complete system of pyrotechny, or, The art of making fireworks : the whole so clearly explained, as to be within the reach of the most limited capacity (1820)

London : Thorp and Burch, and Thomas Boys · leaf 134

An illustration from Endless amusement : a collection of nearly 400 entertaining experiments in various branches of science, including acoustics, arithmetic, chemistry, electricity, hydraulics, hydrostatics, magnetism, mechanics, optics, wonders of the air pump, all the popular tricks and changes of the cards, &c., &c., &c. : to which is added, A complete system of pyrotechny, or, The art of making fireworks : the whole so clearly explained, as to be within the reach of the most limited capacity, 1820, leaf 134
f the building. lis illusion will appear very remarkable, especially if the ects chosen are properly adapted to the effect which the irrors are intended to produce. If you place between two of these mirrors part of a tification, as a curtain, and two demi-bastions, you will : an entire citadel with… … WITHIN the case AB C D, place your mirrors O P Q R, K disposed, that they may each make an angle of 45 grees, that is, that they may be half way inclined from -e perpendicular, as in the figure. In each of the two xtremities A B, make a circular overture, in one of which x. the tube G L, in the…

Scientific recreations · Science -- Experiments · Fireworks · Tricks

Internet Archive · University of California Libraries · Public domain (published before 1931). Free to use for anything.

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