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Spring Scales, Economy
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Use these inexpensive tubular spring scales for both force and mass measurements. Each has zero adjustment and calibration in both newtons and grams with beveled top for inclined plane use. The clear plastic tube allows students to see how the scale works.

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Other Items to Consider:
 Resonance Tube Set, Simple, BASIX
 Hydrion™ A & B pH Test Paper Strips
 Isomers Kit
 










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