Radio and electric power supply equipment for schools
By: by Edward Charles Blom.
Series: Teachers college, Columbia university. Contributions to education,; no. 409
Publisher: Teachers college, Columbia university
Published: 1930
Place of publication: New York city
Language: eng
Number of pages: 188
Subjects: Schools -- Furniture, equipment, etc; Radio in education; Radio -- Equipment and supplies; Laboratories; Electric power; School buildings
Other titles: Electric power supply equipment for schools.
Notes: Bibliography: p. 160-163.
Published also as thesis (Ph. D.) Columbia university.