Various component pieces for the Ampex Reel-to-Reel 300-3 recorder

Source catalog description

This description refers to material held by Smithsonian National Museum of African American History and Culture. Visual details below describe the original material.

A set of five component pieces for the Ampex Reel-to-Reel 300-3 recorder (2013.177.3a): c) Round metal tape reel. Etched into reel near center is, [MADE IN U. S. A./Scotch]. d) Round metal tape reel. Etched into reel near center is, [REG. U.S. PAT. OFF./SCOTCH/BRAND/Magnetic Tape]. Etched in to opposite end of reel is [MADE IN U.S.A. BY MINNESOTA MINING AND/MANUFACTURING COMPANY ST. PAUL 6. MINN./PATENTED UNDER ONE OR MORE OF U.S. PATENTS NOS. 2654681, 2694656, 2711901.]. Hand etched near the center of the reel is [HANDS OFF]. Hand etched in to the edge of both sides of the reel is [Hey Bo Diddley 6.5]. e) Black round roller with several metal screws near center. f, g) Two rectangular pieces of metal with small round magnets attached.

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