Slinky Innovators: The James Family

by Lee Slater

In this engaging biography, readers will learn about the innovators of the Slinky, the James family. Follow the story from Richard James's childhood and engineering education at Penn State University where he married Betty Mattas to his naval engineering career at William Cramp & Sons and the accident with a tension spring that led to Slinky. The Jameses founding of the Spring and Wire Company and its success with Slinky, the company's foundering,...

• Format: Library Binding
• Language: English
• ISBN: 1624039790
• ISBN13: 9781624039799
• Release Date: December 2015
• Publisher: Checkerboard Library
• Length: 32 Pages
• Weight: 0.52 lbs.
• Dimensions: 0.3" x 7.8" x 7.8"
• Age Range: 8 to 11 years
• Grade Range: Grades 3 to 6