8.05.1015

Catalog

E. F. Johnson Company Catalog. Intonation Trainer. Material: paper. Size: 8 1/2" x 11". Description: white paper; black and blue print: "The Johnson Intonation Trainer, A Professional Instrument for Music Education, E.F. Johnson Company, Waseca, Minnesota, U.S.A. 56093"; photograph of the intonation trainer equipment; 2 pages of product information.

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