The first pencil with attached eraser patented in Philadelphia

Hyman L. Lipman of Philadelphia patented the first pencil that had an eraser attached. (By John Osborne)
Source Citation
Joseph Nathan Kane, ed., Famous First Facts (New York: H.W. Wilson Company, 1981), 454.
    Date Certainty
    Exact
    Type
    Business/Industry
    How to Cite This Page: "The first pencil with attached eraser patented in Philadelphia," House Divided: The Civil War Research Engine at Dickinson College, https://hd.housedivided.dickinson.edu/index.php/node/11769.