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Weighing machine, London, England, 1800

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Jacob Bernard Haas made and signed philosophical instruments in London from about 1783-1800. He was Bavarian. This is a weighing machine made by Haas in 1800. It is made of wood and brass. Inside are a hanger and 13 weights. Monitoring a patient’s weight can indicate their health. Accurate weight information also ensures the appropriate dose is given of any medication.

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Glossary: weighing machine

A machine (sometimes referred to as a scale) for weighing persons, objects or large weights.

Glossary: clinical diagnosis

A diagnosis given based on the signs and symptoms of a disease.