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SIMPLE SCIENTIFIC EXPERIMENTS by Aurel De Ratti - 2nd edition
$ 13.19
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Description
SIMPLE SCIENTIFIC EXPERIMENTSby Aurel De Ratti
Published by Percival Marshall & Co., London, No date (likely circa early 1900's). Softcover, 69 pages plus ads illustrated with drawings.
"Describes forty-six instructive experiments in electricity, magnetism, hydraulics, hydrostatics, light and acoustics."
From a century ago. You can build a model hydraulic ram, acoustic fountain, vortex (smoke) rings, flour explosive, manufacture of gas (no beans needed), static electric motor, cheap x-ray tube (look out!), electromagnetic gun, pea suspended in air, high frequency currents, decomposition of steam with an induction coil, fiery or flaming vortex ring, thermo-electric currents and more.