Inventions & inventors
Subtitle: Communications
Publisher: Grolier Educational
Published: 2000
Place of publication: Danbury, Conn
Language: eng
Number of pages: 72
ISBN-13: 9780717293872
Subjects: Inventors; Inventions; Communication; Technological innovations; Juvenile literature; History
Other titles: Inventions and inventors; Communications
Notes: Includes bibliographical references (p. 68) and index.