And now a page from our "Sunday Morning" Almanac: March 30th, 1858, 156 years ago today . . . the day a Philadelphia inventor made his mark. For that was the day Hyman Lipman patented the first pencil ...
Philadelphia inventor Hymen L. Lipman rushed heroically to the aid of mistake-prone schoolchildren, draftsmen and artists everywhere when he secured the patent for the pencil with eraser on this day ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results