This post was written by Reference Archivists Marybeth Kavanagh and Joseph Ditta. March 30th is National Pencil Day! On this date in 1858 Hymen L. Lipman (1817-1893) of Philadelphia received the first patent for a pencil with an attached eraser. (You can read his application online at this link.) Dixon Ticonderoga might have a monopoly on…
Read More