 |  |  |  |
Priory church of Saint-Martin-des-Champs the complex which houses Arts et Metiers Museum. Paris, France. | Alcohol thermometer (c1660) replica from Florence at Arts et Metiers Museum. Paris, France. | Hygrometer with Capuchin monk figure (late 18thC) for measurement of humidity at Arts et Metiers Museum. Paris, France. | Cord hygrometer with two figure which turn (late 18thC) at Arts et Metiers Museum. Paris, France. |
 |  |  |  |
Barometers (17thC-19thC) at Arts et Metiers Museum. Paris, France. | Barometers (18thC-19thC) at Arts et Metiers Museum. Paris, France. | Five standard bronze measures for grains (c1670-5) from Paris with double L symbol of Louis XIV at Arts et Metiers Museum. Paris, France. | Standard measures for oil (c1741) from Paris in cabinet at Arts et Metiers Museum. Paris, France. |
 |  |  |  |
Standard measures for oil (1842) from Rome plus standard weights from England at Arts et Metiers Museum. Paris, France. | Weighbridge with beam scale with two counterweights (1843) by J. Béranger at Arts et Metiers Museum. Paris, France. | Precision scales with aluminum balance arm (1855) by Collot co. (shown Paris Expo 1855) at Arts et Metiers Museum. Paris, France. | Lab device to study transmission of pressure in liquids (late 18thC) & large natural magnet (late 18thC) at Arts et Metiers Museum. Paris, France. |
 |  |  |  |
Air pump (18thC) at Arts et Metiers Museum. Paris, France. | Bust of Antoine Lavoisier, discoverer of hydrogen & oxygen at Arts et Metiers Museum. Paris, France. | Laboratory of French chemist Antoine Lavoisier at Arts et Metiers Museum. Paris, France. | Balance to weigh air from laboratory of Antoine Lavoisier at Arts et Metiers Museum. Paris, France. |
 |  |  |  |
Leather bottle to store gas from laboratory of Antoine Lavoisier at Arts et Metiers Museum. Paris, France. | Compound microscope (c1751) by Magny at Arts et Metiers Museum. Paris, France. | Inverted microscope (c1870) by Werlein sat Arts et Metiers Museum. Paris, France. | X-ray tube (early 20thC) at Arts et Metiers Museum. Paris, France. |
 |  |  |  |
Siemens transmission electron microscope (1973) at Arts et Metiers Museum. Paris, France. | Cyclotron (1937) made by college of France at Arts et Metiers Museum. Paris, France. | Aeolipile lamp on trolley (late 18thC) at Arts et Metiers Museum. Paris, France. | Groove to illustrate physics of gravity principal (late 18thC) by s' Gravesande at Arts et Metiers Museum. Paris, France. |
 |
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Solar oven (c1880) by Augustin Mouchot & Abel Pifre at Arts et Metiers Museum. Paris, France. |
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