how to make a bulb and it's filament
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Cut some copper wire into two sections, roughly 1-2 feet each. ...to Make a Light Bulb. ...to Make a Light Bulb. ...to Make a Light Bulb. ...Bend the end of the two strands inside the cork into a hook shape. ...Cut the iron wire into 1-1/2 to 2 inch (3.8cm to 5cm) strips. ...to Make a Light Bulb.
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