The theory of fluorescence, intended for teaching 'A' level science. Made with the assistance of Unilever Research Divsion.
Documentary
13 minutes
George Seager
Unilever,
De la Chevre Films

1962
0.0

0.0
2008
6.2
1985
6.0
1991
0.0
1994
0.0

1982
8.5

2023
0.0

2004
5.0

2014
8.0

2024
10.0

2023
0.0

2022
8.5

2025
7.5

1960
7.5

2019
0.0
1959
0.0

2020
6.2

2022
6.1

2022
6.1