Westphal balance
{{Short description|Scientific instrument used to measure the density of liquids}}
A Westphal balance (also known as a Mohr balance) is a scientific instrument used to measure the density of liquids.[http://www.mineralogy.eu/non-optical/sg/Mohr-Westphal_01.html Mohr-Westphal balance], Virtual Museum of the History of Mineralogy[http://physics.kenyon.edu/EarlyApparatus/Fluids/Westphal_Balance/Westphal_Balance.html Westphal Balance], Instruments for Natural Philosophy[http://www.lecompendium.com/dossier_meca_07_balance_de_westphal/balance_de_westphal.htm Balance de Westphal], Le Compendium