Tools for observing.
By: Illus. by Donald Charles.
Contributors: Charles, Donald, illus.
Series: Her Stepping into science
Publisher: Childrens Press
Published: 1971
Place of publication: Chicago
Language: eng
Number of pages: 48
Subjects: Physical instruments -- Juvenile literature.; Physical instruments.; Measuring instruments.
Description: Describes the various tools used in observing and recording weight, temperature, time, shape, and size.