Re: Old Media
The TK50 aka CompacTape I was the prerunner to DLT. It evolved into the TK70/CompacTape II which then became the CompacTape III later renamed to DLT III. Capacity on a TK50 was 94MB, rising to 294MB on the TK70 and 2.6GB in the DLT III. All superseded by LTO.