The first part of this series by Norman McLaren deals only with tempo. It starts by showing the disc travelling in one move (1/24 of a second) from A to B, and progressively demonstrates slower and slower tempos.
1976-01-01
1964-09-22
2002-01-10
2003-11-14
2004-01-01
1965-09-12
2006-01-01
2001-10-22
1967-01-01
2004-04-05
2001-01-01
1965-10-26
1988-01-01
2003-07-01
2003-01-01
1986-01-01
1993-11-27
2008-07-03
1971-01-01
2012-01-01
1972-01-01