Simple Machines
Canizares, Susan
Simple Machines - New York, USA Scholastic Inc. 1999
Rhyming text and photographs explore the many tasks that can be performed by such simple machines as springs, ramps, and pulleys.
0-439-08126-2
Juvenile Nonfiction
JN 621.8 CAN
Simple Machines - New York, USA Scholastic Inc. 1999
Rhyming text and photographs explore the many tasks that can be performed by such simple machines as springs, ramps, and pulleys.
0-439-08126-2
Juvenile Nonfiction
JN 621.8 CAN