Slinky Innovators: The James Family

Slinky Innovators: The James Family

Author:

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...
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AGES
AR LEVEL
READ TIME
LEXILE
PAGES
PUBLISHER
ISBN
8-10
4.6
15-30 mins
680L
30
Checkerboard Library an imprint of ABDO Publishing (Unlimited)
9781680770544
AGES
READ TIME
AR LEVEL
LEXILE
8-10
15-30 mins
4.6
680L
PAGES
PUBLISHER
ISBN
30
Checkerboard Library an imprint of ABDO Publishing (Unlimited)
9781680770544

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