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Medieval Gilds, The |
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Medieval Manor, The |
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16mm |
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Meiosis |
Encyclopaedia Britannica Educational Corporation Acorn Films |
600 Feet |
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Meiosis - 2nd Edition |
Encyclopaedia Britannica |
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16mm |
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Mexican-American Speaks Heritage In Bronze ▶ |
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19 |
16mm |
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Mexico Rural-Minos |
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16mm |
B&W |
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Microscopic Life: The World Of The Invisible ▶ |
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16mm |
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Middle Ea From the series Sects and Violence |
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Middle East: Sects and Violence |
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Middle States ▶ |
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11 |
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Migration Of Birds - The Canada Goose |
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Minerals and Rocks |
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Miserable Merry Christmas |
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Mitosis |
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Modern Chemistry' Lesson 98: Washing Soda, Soap and Synthetic Detergents |
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30 min |
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Modern Chemistry, Lesson 100: The Ammonia Soda Process |
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30 min |
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Modern Chemistry, Lesson 101: Experiments with Acidic Cations |
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30 min |
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Modern Chemistry, Lesson 102: Introduction to Ion Hydration |
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30 min |
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Modern Chemistry, Lesson 103: Colors of Aquo Complex Ions - Coordination Number |
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30 min |
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Modern Chemistry, Lesson 104: Relating Structural and Chemical Properties - an Example |
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30 min |
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Modern Chemistry, Lesson 105: Gelatinous Hydroxides Amphoterism |
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30 min |
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Modern Chemistry, Lesson 106: The Transition Metals -an Introduction |
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30 min |
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Modern Chemistry, Lesson 107: Experiments with Some Typical Transition Metal Ions |
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30 min |
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Modern Chemistry, Lesson 108: Some Complex Ions of the Transition Metals |
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30 min |
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Modern Chemistry, Lesson 109: Some Applications of Complexing Reactions |
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30 min |
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Modern Chemistry, Lesson 10: Molecules and Their Weights |
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30 min |
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Modern Chemistry, Lesson 110: Some Aspects of Complex Ion Theory |
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30 min |
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Modern Chemistry, Lesson 111: A Review of Valence Concepts - Oxidation Number |
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30 min |
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Modern Chemistry, Lesson 112: Oxidation Number and the Naming of Compounds |
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30 min |
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Modern Chemistry, Lesson 113: An Introduction to Oxidation and Reduction |
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30 min |
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Modern Chemistry, Lesson 114: Building an Oxidation Reduction Table |
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30 min |
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Modern Chemistry, Lesson 115: A Typical Electric Cell |
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30 min |
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Modern Chemistry, Lesson 116: Electric Cells and the Faraday Laws |
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30 min |
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Modern Chemistry, Lesson 117: Equivalent Weights of Metals |
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30 min |
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Modern Chemistry, Lesson 118: The Lead Storage Battery - the Dry Cell |
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30 min |
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Modern Chemistry, Lesson 119: Some Chemical Experiments with a Daniell Cell |
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30 min |
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Modern Chemistry, Lesson 11: Weighing - the Analytical Balance |
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30 min |
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Modern Chemistry, Lesson 120: Oxidation-reduction Equations |
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30 min |
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Modern Chemistry, Lesson 121: The Copper- Silver Ion Reaction - a Quantitative Experiment |
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30 min |
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Modern Chemistry, Lesson 122: Electrolysis I |
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30 min |
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Modern Chemistry, Lesson 123: Electrolysis II |
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30 min |
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Modern Chemistry, Lesson 124: Types of Reactions - a Summary and Review |
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30 min |
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Modern Chemistry, Lesson 125: The Halogens |
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30 min |
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Modern Chemistry, Lesson 126: Chlorine |
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30 min |
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Modern Chemistry, Lesson 127: Fluorine, Bromine, and Iodine |
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30 min |
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Modern Chemistry, Lesson 128: Halogfn Chemistry - a Summary |
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30 min |
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Modern Chemistry, Lesson 129: Laboratory Experiments with Halide Ions - Observations and Inferences |
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30 min |
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Modern Chemistry, Lesson 12: The Mole Concept |
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30 min |
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Modern Chemistry, Lesson 130: The Sulfur Family |
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30 min |
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Modern Chemistry, Lesson 131: Hydrogen Sulfide - Metal Sulfides |
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30 min |
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