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

Found in catalogs (6)

• 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…

• Business Screen 1961,1962 — page 336

  …users of slidefilms and is presently be- ing tested in programs for train- ing, promotion and self-study. The new device utilizes a rotat…

• 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…

• Business Screen 1949. 1950 — page 223

  …The ijrojcctor is intended pri- marily lor the educational and training field. .\ wide range of projection conditions are attained through the use of three…

• Business Screen 1965,1966 — page 154

  …Services: Confined to medical and closely-allied fields exclusively. Consultants in planning, pro- duction and utilization of audio-visual aids in continuing education in…

• Business Screen 1939 — page 289

  …designed and built to bring the RCA standard professional quality of projection and sound reproduction to the educational and commercial fields. GENERAL OFFICES AND…