The following table shows the European record progression in the men's 1500 metres, as ratified by the EAA.
Contents
Hand timing
(a) Sometimes given as 3:47.5.
(b) Sometimes given as 3:40.5.
Automatic timing
(a) Timed electronically at a time when records were ratified at intervals of one tenth of a second, these were considered equivalent performances.
References
Men's 1500 metres European record progression Wikipedia(Text) CC BY-SA