Three-dimensional teaching aids for trade and industrial instruction
Series: U.S. Office of Education. Circular; no. 366; United States Office of Education Circular ;; no. 366
Publisher: U.S. Govt. Print. Off.
Published: 1953
Place of publication: [Washington
Language: eng
Number of pages: 91
Subjects: Industrial arts -- Study and teaching; Technical education; Teaching -- Aids and devices