TDK's Type I cassettes from the 80s.
TDK D/AD/AR/AR-X (1980s)
Fascinating Vintage 20 Cassette Carousel from 1972 : Panasonic RS-296US
TDK MA METAL BIAS CASSETTES ('79-'91)
Vintage Cassette Decks in High Definition!
BASF cassette 'Security Mechanism' and history
Review of the new Toshiba Aurex ‘Hi-Res Cassette deck’
NIB Vintage Audio - World's Largest Collection
Average Japanese House - Inside the Home of a Typical Tokyo Family