You need a tube, a coil of wire, a magnet and a capacitor to store the charge.
The idea of a wind up flashlight came from the 1959 movie, journey to the center of the earth.
The first wind-up flashlight was invented in the late 1890s by an inventor named David Misell. The flashlight used a combination of a spring mechanism and gears to generate power through manual winding, eliminating the need for batteries.
No. Except for the kind that you wind up to power.
You can purchase a durable wind up flashlight at your local Walmart, Sears, or Target. You can also purchase one online from the Amazon website and have it shipped directly to your house.
i'm not very sure, but i know it has magnets. as for zinc, you will have to see if someone else answers it. Yeah...;.
A wind-up torch is a type of flashlight that is powered by manually winding a crank or handle to generate energy to light up the bulb. It does not require batteries or external power sources, making it useful in emergency situations or outdoor activities.
A flashlight
A wind-up torch is a flashlight that is powered by winding a crank or handle to generate electricity, rather than relying on batteries. This makes it a convenient and eco-friendly option for emergency situations or outdoor activities.
To install a flashlight software on your cell phone and open the flashlight of camera as a normal flashlight.
He didn't make the flashlight. David Missel did in1899.
The main materials of a flashlight are:a lensa light bulb with wires to metal contactsa batterymetal contacts between the battery and bulba plastic or a metal casing
They do still make wind up flashlights. They are called emergency weather flashlights.