Today I learned.... Day 12

Saturday, May 10, 2014

Photo  Source
Today I learned that a P-slip (a piece of paper with an approximate size of 3" x 5" commonly found in libraries) derives from being the same size as a former small-sized U.S. postal card, so P is short for "Postal".



Post a Comment

Blog contents © The Nostalgic Librarian 2010-2011. Blogger Theme by Nymphont.