RTM LPR90 1/4" x 3600 Feet Audio Tape Pancake on NAB Hub
LPR90 1/4" x 3600 feet audio reel-to-reel tape pancake on a NAB hub
LPR90 1/4" x 3600 feet audio reel-to-reel tape pancake on a NAB hub
LPR35 long-play 1/4" x 3600 feet audio reel-to-reel tape on a metal reel with a hinged box