Understanding science & nature:
Machines. 1993
Understanding science & nature: Machines & inventions/ - Alexandria: Time life, 1993. - 151p.: ill.; 30cm.
Includes bibliographical references and index.
0809497042
Machinery.
TJ 147 .M33 1993
Understanding science & nature: Machines & inventions/ - Alexandria: Time life, 1993. - 151p.: ill.; 30cm.
Includes bibliographical references and index.
0809497042
Machinery.
TJ 147 .M33 1993