SOUNDFAN - Reel to reel recorders and tapes - Magnetic tapes
Audio tape specifications - Wikipedia
BASF Reel to Reel Recording Tape Actual size 5 3/4 Reel | eBay
ATR Master Tape w/ 10.5″ Precision Metal Reel Tape – Sonic Circus
Deedy on Twitter: "Reel-to-reel tapes [1949-1965] They consist of a long, narrow magnetic tape wound around two reels, with the tape being pulled from the supply reel to the take-up reel during
Magnetic Tape for Audio | Museum of Obsolete Media
Introduction to Reel to Reel Tapes
Preservation Self-Assessment Program (PSAP) | Audiotape