| How Machines and Tools Help Us |
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| How Long Is A Minute? |
1973 |
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400 ft. |
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| How Long Is A Minute |
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| How Little, How Big |
1964 |
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| How Life Begins Part 2 of 2 |
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12:00 |
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| How Life Begins Part 2 |
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12:00 |
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| How Life Begins Part 1 of 2 |
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12:00 |
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| How Life Begins ▶ |
1968 |
CRM/McGraw-Hill Films | Jules Power International Prod |
0:47:00 |
16mm |
Color |
sound |
| How Levers Help Us |
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Clearence R Trexler Ed D |
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| How Level is Sea Level? |
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encyclopedia britannica |
468 ft. |
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| How Its Made: Boots |
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| How Its Made - Zippers |
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| How Its Made - Photos |
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| How It Used to Be |
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National Instructional Television Center. |
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| How is Your New Friend? |
1975 |
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| How is Clothing Made? The Story of Mass Production |
1965 |
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| How is Clothing Made: Mass Production |
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| How Is Clothing Made - Mass Production |
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| How Insects Help Us |
1957 |
Coronet (CORT) |
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| How green plants make and use food (Revised) |
1983 |
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| How Good Is Your Memory |
1957 |
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12:00 |
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| How Good Is A Good Guy? |
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Roundtable Productions |
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| How Friends Are Made |
1968 |
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400 ft. |
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| How Flowers Make Seeds |
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| How Fire Starts In Industry |
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12:00 |
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| How Far? |
1969 |
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| How Far Home |
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12:00 |
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| How Electricity is Produced |
1960 |
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400 ft. |
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| How Domains Are Formed |
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| How Dog Traced Scoundrel |
1974 |
Československý filmexport |
300 ft. |
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| How Does Database Management System Work? |
1978 |
Media Guild (MG) |
800 ft. |
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| How do you tell |
1983 |
J. Gary Mitchell Film Co. |
12:00 |
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| How Do You Tell |
1984 |
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500 |
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| How Do You Know? |
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National Instructional Television Center. |
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| How Do You Know You’re Growing Up |
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| How do we Look? |
1971 |
SUTHLA |
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| How Do We Look? |
1971 |
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| How Do We Look? |
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Sutherland Learning |
300 ft. |
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| How Do We Know? |
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Neubacher-Vetter |
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| How Do We Know? |
1968 |
Neubacher-Vetter |
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| How Do They Make Toothpaste? |
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NBC Educational Enterprises Lee Mendelson-Frank Buxton Joint Film Productions |
200 Feet |
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| How Do They Make Toothbrushes? |
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| How Do They Make Tennis Balls? |
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NBC Films |
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| How Do They Make Silverware?, Hot Dog Series |
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NBC Films |
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| How Do They Make Rope |
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Films Inc. (FI) |
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| How Do They Make Plywood? |
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| How Do They Make Playing Cards? |
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NBC Educational Enterprises. |
200 Feet |
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| How Do They Make Hot Dog Rolls? Where Do Sardines Come From? |
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National Broadcasting Company inc. |
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| How Do They Make Footballs? |
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| How Do They Make Dollar Bills? |
1971 |
Films Inc. (FI) |
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