Resin Ignited By Electricity





Wrap some cotton wool, containing as much powdered resin as it will

hold, about one of the knobs of a discharging-rod. Then having charged

a Leyden jar, apply the naked knob of the rod to the external coating,

and the knob enveloped by the cotton to the ball of the wire. The act

of discharging the jar will set fire to the resin.



A piece of phosphorus or camphor wrapped in cotton wool, and used in

the same way, will be much more easily inflamed.





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