English:Compact Cassette is an audio storage medium introduced by Philips in 1963. It is now better known as the worldwide standard format for audio cassettes. See the Compact Cassette article in Wikipedia.
TDK D C60 cassette
Three types of cassette: metal, normal and chrome.
The indents allowing the player to automatically select the cassette type.
A cassette and microcassette.
A head cleaner cassette .
A cassette that resembles a reel-to-reel tape.
Type I, II and IV cassettes, top to bottom.
The write protect tabs.
Four cassettes with the one on the bottom having its write protect tabs removed.