Simple machines
Title:
Simple machines
Personal Author EPSB:
Summary:
Rhyming text and photographs explore the many tasks that can be performed by such simple machines as springs, ramps, and pulleys.
Year Published:
1999
Series:
Physical Description:
1 v. (unpaged) : col. ill. ; 18 cm.
ISBN:
9780439081269
Publisher:
New York : Scholastic, c1999.