Three-dimensional teaching aids for trade and industrial instruction
By: compiled by Harold J. Rosengren
Series: United States. Office of Education. Circular -- no. 662; Circular (United States. Office of Education) -- no. 662
Publisher: U.S. Dept. of Health, Education, and Welfare, Office of Education
Published: 1961
Place of publication: Washington]
Language: eng
Number of pages: 46
Subjects: Industrial arts; Study and teaching; Technical education; Teaching; Aids and devices
Notes: "OE-84024."