Talk:A Colour Box

How long?
The infobox says 3 minutes, the foundation says 4. --Error (talk) 12:04, 11 August 2020 (UTC)
 * It's 3 minutes long. One of the current references ("Len Lye: The Vital Body of Cinema") already lists it as such, and I just checked my copy of it to be sure. hinnk (talk) 06:22, 12 August 2020 (UTC)