1980: Prelim. Roll-ins. Two-inch open reel "quad". Polyester magnetic tape on a 12" reel. In a case: 15" x 15" × 4" (20–30 lbs) Box 63.1 Series I. duPont Video and Audio Tapes, 1960s-2000sTwo-inch tape open reel:
"1987"--Preferred_Media_N0306963 1983 February03, 1983 Box 39 Series I. duPont Video and Audio Tapes, 1960s-2000s
"1987"--Preferred_Media_N0306964 1983 February03, 1983 Box 38 Series I. duPont Video and Audio Tapes, 1960s-2000s