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1 result for "Rotating Magnetic Fields U.S. Office of Education" in Creator.

Title ▲	Year	Creator	Length	Holdings
162 U. S. GO Rotating Magnetic Fields U.S. Office of Education	1945	Rotating Magnetic Fields U.S. Office of Education	13 min

Found in catalogs (2)

Educational Screen 1948-1949 — page 243
…56th St., New York, N.Y.), Mr. Exton brings a long and unique record of experience to the field of business and educational audio…
Educational Screen 1948-1949 — page 293
Production Activity Allied Independent Producers Several of the leading producers of educational films have formed an as- sociation to be known as Allied Inde…