| Ration Bored. |
1943 |
|
1 reel |
|
|
sound |
| Ration Blues. |
1944 |
|
1 reel |
16mm |
B&W |
sound |
| Ratio: A Way of Comparing (D) |
|
|
|
|
|
|
| Ratio: A Way of Comparing |
|
|
|
16mm |
|
sound |
| Ratio: A Way of Comparing |
1968 |
|
|
|
|
|
| Ratio: A Way of Comparing |
|
|
|
|
|
|
| Ratio, Rate, Percent (Part XXIV) |
1963 |
School Mathematics Study Group |
|
16mm |
|
sound |
| Ratio, Rate, Percent |
1963 |
School Math Study Group |
|
16mm |
|
sound |
| Ratio, Pt 2 |
|
Science Research Associates Inc. |
|
16mm |
|
sound |
| Ratio, Pt 1 |
|
Science Research Associates Inc. |
|
16mm |
|
sound |
| Ratio, Proportion And Variation |
|
The Pentagon |
|
16mm |
|
sound |
| Ratio and proportion |
1947 |
|
|
|
|
|
| Ratio and Proportion in Mathematics |
1961 |
Coronet Films |
11 |
16mm |
B&W |
|
| Ratio and Proportion in Mathematics |
|
|
|
|
|
|
| Ratio and Proportion |
1947 |
Knowledge Builders |
22 |
16mm |
B&W |
|
| Ratio One To Twenty |
|
Alitalia Airlines |
|
16mm |
|
sound |
| Ratio And Proportion In Mathematics |
1961 |
Coronet Instructional Films |
|
16mm |
B&W |
sound |
| Ratio And Proportion |
1948 |
Knowledge Builders |
15 min |
16mm |
|
sound |
| Ratio - Deer Park |
|
Natl Council Of Teachers Of Mathematics |
|
16mm |
|
sound |
| Ratio - A Way Of Comparing |
1968 |
Boundey William |
|
16mm |
|
sound |
| Ratio & Proportion in Mathematics |
|
|
|
|
|
|
| Ratio |
1970 |
Educational Projections Corp |
42 fr |
Filmstrip |
Color |
|
| Ratio |
1972 |
Films Inc Ontario Educational Communications Authority |
|
16mm |
|
sound |
| Ratio |
1970 |
Davidson Films |
11 |
16mm |
Color |
|
| Rating Of Time Studies, The, Pt 8 |
1952 |
Society For Advancement Of Management |
|
16mm |
|
sound |
| Rating Of Time Studies, The, Pt 7 |
1952 |
Society For Advancement Of Management |
|
16mm |
|
sound |
| Rating Of Time Studies, The, Pt 6 |
1952 |
Society For Advancement Of Management |
|
16mm |
|
sound |
| Rating Of Time Studies, The, Pt 5 |
1952 |
Society For Advancement Of Management |
|
16mm |
|
sound |
| Rating Of Time Studies, The, Pt 4 |
1952 |
Society For Advancement Of Management |
|
16mm |
|
sound |
| Rating Of Time Studies, The, Pt 3 |
1952 |
Society For Advancement Of Management |
|
16mm |
|
sound |
| Rating Of Time Studies, The, Pt 2 |
1952 |
Society For Advancement Of Management |
|
16mm |
|
sound |
| Rating Of Time Studies, The, Pt 1 |
1952 |
Society For Advancement Of Management |
|
16mm |
|
sound |
| Rating Of Time Studies, The, #8 |
|
Society For Advancement Of Management |
|
16mm |
|
sound |
| Rating Of Time Studies, The, #7 |
|
Society For Advancement Of Management |
|
16mm |
|
sound |
| Rating Of Time Studies, The, #4 (1950) |
|
A/V Geeks 16mm Films |
|
|
|
|
| Rating Of Time Studies, The, #4 |
|
Society For Advancement Of Management |
|
16mm |
|
sound |
| Rating Of Time Studies, The, #3 |
|
Society For Advancement Of Management |
|
16mm |
|
sound |
| Ratification And Rationalization |
1963 |
Natl Broadcasting Company |
|
16mm |
|
sound |
| Rather Strange Tribe |
1970 |
Syracuse Univ |
|
16mm |
|
sound |
| Rates Of Chemical Reactions |
1959 |
Encyclopedia Britannica Films |
|
16mm |
|
sound |
| Rated X |
1978 |
Tandem Productions |
30 min |
|
Color |
sound |
| Rate of change. |
|
|
|
|
|
|
| Rate of Reaction |
1960 |
Coronet (CORT) |
12:00 |
|
|
|
| Rate for the job |
|
|
|
|
|
|
| Rate Of Reaction |
1960 |
Univ Of Akron |
|
16mm |
|
sound |
| Rate Of Hair Growth |
|
Institute For Dermatologic Communication And Education |
|
16mm |
|
sound |
| Rate Of Chemical Reaction |
1958 |
ERPI Classroom Films Inc. |
|
16mm |
|
sound |
| Rate Of Change England |
|
BBC Open University Production Center Room 342 Walton Hall |
|
16mm |
|
sound |
| Rate It X |
|
Inc. |
1:30:00 |
16mm |
Color |
sound |
| Rata and the canoe |
1986 |
Wombat |
5 |
16mm |
Color |
sound |