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Pencil Patents: John Lee Love’s Portable Pencil Sharpener

Before 1894, pencils sharpeners were massive: Source OK, they weren't all that big, but the only pencil sharpener available was the rotary blade sharpener, a pencil sharpener using the same mechanism as that old hand crank sharpener mounted…

Pencil History: J.B. Ostrowski’s Aluminum Ferrule

Here's a bit of pencil history for you: before 1964, Pencil eraser ferrules were made with brass because brass had the appropriate strength to hold a pencil with its eraser. Pencil manufacturers opted for the more expensive brass instead of…