"MANUFACTURERS NAME: CARTRIDGE,RECORDER AND CASSETTE,TAPE; TECH ORDER 5F23-3-6-4 AND 5F23-3-5-4; CONTAINS BETWEEN 960 AND 1100 FEET OF 1/2 INCH WIDE 1 MIL THICK MAGNETIC MYLAR TAPE MOUNTED ON A 5 INCH REEL AND IS DESIGNED TO BE PLAYED BACK ON A REFORMATTER/TRANSLATOR AT A MINIMUM SPEED OF 100 TIMES THE RECORDED SPEED; DIMENSIONS 9 1/8 INCHES WIDE BY 1 5/16 INCHES HIGH AND 8 3/4 INCHES DEEP"