batteryless flashlight 1960 hit

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Are you prepared for those times of disaster that unaware?

A that uses the Faraday Principle has copper coils that are passed through a magnetic field when you shake the . The resulting electricity is harnessed in order to the .

The product Magnetic is the newest technology among the . One just has to shake the for 60 seconds and you will get up to 2 hours of from this magnetic .

My present invention relates to and more particularly to which are operated by spring motors. In my present invention, I have designed a having an intermittent main drive.

Super bright white . Ideal for anywhere you need a dependable without worry about batteries.

https://en.wikipedia.org/wiki/Batteryless_radio

https://en.wikipedia.org/wiki/Batteryless_switch

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