What does it do?
Subtitle: inventions then and now
By: by Daniel Jacobs.
Series: Ready-set-read
Publisher: Raintree Publishers
Published: 1990
Place of publication: Milwaukee
Language: eng
Number of pages: 23
Subjects: Inventions -- Juvenile literature; Inventions
Description: Compares the appearance and use of common machines such as camera, clock, telephone, bicycle, auto, train, and plane with that of the models used long ago.