Ticktock Banneker's Clock

Benjamin Banneker is known and admired for his work in science, mathematics, and astronomy. He was born free at a time in America, 1731, when most African Americans were slaves. At the age of 22 he built a strike clock based on his own drawings and using a pocket-knife --

• | Author: Shana Keller, David C. Gardner
• | Publisher: Sleeping Bear Press
• | Publication Date: Sep 01, 2016
• | Number of Pages: 32 pages
• | Language: English
• | Binding: Hardcover/Juvenile Nonfiction
• | ISBN-10: 158536956X
• | ISBN-13: 9781585369560