Weighing & balancing /

Instructs the reader in constructing a sensitive balance device from a wooden rod, string, cup hooks, and paper plates which can be used for experiments to determine the weight of some common objects.

Bibliographic Details
Main Author: Srivastava, Jane Jonas
Other Authors: Aliki
Format: Book
Language:English
Published: New York : Crowell, [1970]
Series:Young math book.
Subjects:

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