Oxlade, Chris.
Pulleys /
Chris Oxlade.
- North Manako, MN, : Smart Apple Media, 2008.
- 32 p. : col. ill. ; 27 cm.
- Simple machines .
Includes bibliographical references and index.
1403436630 (lib. bdg.) 1403436789 (pbk.) 978159920213
2003003787
Pulleys.
TJ1103 / .O95 2003
621.8