The story of tools and machines
Subtitle: from Social studies; intermediate grades, book three
By: by Herbert B. Bruner and C. Mable Smith.
Contributors: Smith, C. Mabel, joint author.
Publisher: Charles E. Merrill company
Published: 1938
Place of publication: New York; Chicago
Language: eng
Number of pages: 122
Subjects: Tools -- History.; Machinery -- History.
Notes: Includes bibliographies.
On cover: A social studies unit.