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A well-used modern desk-style electric pencil sharpener. The oldest surviving electric pencil sharpener is the Boston Polar Club pencil sharpener, introduced around 1936. [19] Electric pencil sharpeners work on the same principle as manual ones, but one or more flat-bladed or cylindrical cutters are rotated by an electric motor. [16]
An X-Acto knife equipped with a "Number 2" blade Parts of an X-Acto knife from left to right: (1) handle, (2) collar, (3) collet, (4) blade. An X-Acto knife is a blade mounted on a pen-like aluminum body. A knurled collar loosens and tightens an aluminum collet with one slot, which holds a replaceable blade.
Bostitch was founded in Arlington, Massachusetts in 1896 by Thomas Briggs as the Boston Wire Stitcher Company. Briggs had invented a machine that stitched books from a coil of wire. The company began manufacturing various other kinds of staplers for industrial use. [4]
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A sharpener is a tool for sharpening. It may refer to: Knife sharpener, a tool for sharpening a knife Sharpening steel, a tool for sharpening a knife, usually a kitchen knife; Sharpening stone, a tool for sharpening a bladed or edged tool, such a knife; Pencil sharpener, a tool for sharpening a pencil
The Pencil Sharpener Museum, officially the Paul A. Johnson Pencil Sharpener Museum, is a museum showcasing about 3,479 pencil sharpeners just outside of Logan, Ohio. It is located off Ohio State Route 664, inside the Hocking Hills Regional Welcome Center. It is believed to be the largest collection of these items in the entire country ...
A mechanical pencil or clutch pencil is a pencil with a replaceable and mechanically extendable solid pigment core called a "lead" / ˈ l ɛ d /. The lead , often made of graphite , is not bonded to the outer casing, and the user can mechanically extend it as its point is worn away from use.
A penknife might also be used to sharpen a pencil, [3] prior to the invention of the pencil sharpener. In the mid-1800s, penknives were necessary to slice the uncut edges of newspapers and books. [4] A penknife did not necessarily have a folding blade, but might resemble a scalpel or chisel by having a short, fixed blade at the end of a long ...