Early inventions
By: Julie Haydon
Series: Nelson focus. 4. Set B; Nelson focus
Publisher: Nelson Thomson Learning
Published: 2002
Place of publication: Southbank, Vic
Language: eng
Number of pages: 24
ISBN-13: 9780170104319; 9780170104258
Subjects: Inventions; Juvenile literature; History; Technology
Notes: Caption title.

Includes index.