Electric toy making for amateurs. This work treats on the making of electrical toys, electrical apparatus, motors, dynamos and instruments in general ... By T. O'Conor Sloane .. (1914)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · New York, The N.W. Henley publishing co. · leaf 85
herewith. Thus the butterfly and the pendulum magnet areboth excited, and the pendulum is attracted. If thependulum is started swinging, it will, as it leavesthe mercury globule, open the circuit, and the butter-fly will move its wings ; at the same time the magnetceases to pull it. It swings back,… … Fig. 34. PendulumCircuit Breaker. ELECTRIC INSECTS. 85 position of the mercury globule, to give a good swing,must be determined by experiment. The plumb-bob
Electric apparatus and appliances · Electric toys
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
