v=aUI1T4jkQ-0&w=470%5D Certainly this is not the first hand-cranked drill, but it just may be the first one made out of a pencil sharpener (also probably the first one to inspire a pseudo-nursery ...
Known as the Love Sharpener, he applied for the patent in 1897 and it is still in use today. The small, hand-held model we associate with our pencil cases is known as a prism sharpener - with its ...