Homemade Cigarette Lighter
Here is a description of an interesting lighter. This ideas was shared by Philip C. Shera of Columbus, Ohio.
Homemade Cigarette Lighter (original article)
Electric Toothbrush
Here is a description of an ancestor of the modern-day electric toothbrush. This design dates back when safety was a lesser concern than it is today.
Electric Toothbrush For Home Use
