Navy standardization of I/4-inch magnetic tape and recorder-reproducers

Standardization of magnetic tape for use by Federal agencies has been facilitated through the preparation and distribution of a "Standard Reference Tape." Similtlr stmdardimtion of recorder-reproducers has been made possible through the use of a "Standard Tape Recording." The properties of the tape, the material recorded, and the purpose and use of the tapes, are given in detail.