Apothecary's balance, Europe, 1901–1930

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Apothecary's balance, Europe, 1901–1930. A balance is used to measure out ingredients for medical treatments. Accurately measuring out ingredients is vital to ensure the patient takes the correct dosage. Placing weights of known heaviness on one brass pan allowed ingredients to be measured accurately in the other. When the pans are balanced the lead indicator hangs straight. Contributors: Science Museum, London. Work ID: bcyu7ttj.

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