| Water - Its Peculiar Properties - Table Salt - Its Structure |
1959 |
Encyclopedia Britannica Films |
|
16mm |
|
sound |
| Water - Its Structure - Polar Molecules |
1959 |
Encyclopedia Britannica Films |
|
16mm |
|
sound |
| Water - Some Of Its Properties |
1959 |
Encyclopedia Britannica Films |
|
16mm |
|
sound |
| Weighing - The Analytical Balance |
1959 |
Encyclopedia Britannica Films |
|
16mm |
|
sound |