By Alie Jones
Ben's Inventions and Experiments
bifocal: divided into two parts that help a person see things that are far away and nearby.
clerk: a person whose job is to keep tracks of records and documents for a buisness or office.
What's the Big Idea, Ben Franklin by Jean Fritz New York, Schoolastic 1976
Online: Benjamin Franklin by David Waldstreicher World Book Student, 2016, World Book, web, February 26, 2017