Bibliographic record and links to related information available from the Library of Congress catalog.
Note: Contents data are machine generated based on pre-publication provided by the publisher. Contents may have variations from the printed book or be incomplete or contain other coding.
Contents INTRODUCTION 4 STEAM ENGINE 5 MOTORCAR 8 PLANE 10 ROCKET 12 TANK 14 MECHANIZED FARMING 16 PRINTING 18 TELEPHONE 20 TELESCOPE 22 ELECTRIC MOTOR 24 CAMERA 26 COMPUTER 28 GLOSSARY 30 INDEX 32
Library of Congress Subject Headings for this publication:
Inventions -- Juvenile literature.
Technology -- Juvenile literature.