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balance |
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balanceApparatus for weighing or measuring mass. The various types include the beam balance, consisting of a centrally pivoted lever with pans hanging from each end, and the spring balance, in which the object to be weighed stretches (or compresses) a vertical coil spring fitted with a pointer that indicates the weight on a scale. Kitchen and bathroom scales are balances. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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To prepare vials of talc, a pharmacy technician or pharmacist places an empty vial on an analytical balance, tares the balance, and weighs five grams of powder into the vial. To prepare vials of talc, a pharmacy technician or pharmacist places an empty vial on an analytical balance, tares the balance, and weighs five grams of powder into the vial. The modern analytical balance originated during the mid-18th century when a Scottish chemist developed the technique of using a lightweight, rigid beam supported on a knife-edged fulcrum. |
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