![IMG_6244 The Arts et Metiers conservatory was established in 1794 as an engineering/technical school. The associated museum displays scientific and technical...](thumbs/IMG_6244.webp)
The Arts et Metiers conservatory was established in 1794 as an engineering/technical school. The associated museum displays scientific and technical…
![IMG_6250 A portable set of standard oil measurement containers, 1741. They were used to validate the capacity of containers used by merchants in Paris.](thumbs/IMG_6250.webp)
A portable set of standard oil measurement containers, 1741. They were used to validate the capacity of containers used by merchants in Paris.
![IMG_6258 Pascals's calculator: Blaise Pascal invented this device aged 19. It could perform additions and subtractions, with an automated carry. This 1642 device is...](thumbs/IMG_6258.webp)
Pascals's calculator: Blaise Pascal invented this device aged 19. It could perform additions and subtractions, with an automated carry. This 1642 device is…
![IMG_6264 Lavoisier's laboratory, 1785. Lavoisier was able to make water out of oxygen and hydrogen (and a spark) in this laboratory, proving that water was actually a...](thumbs/IMG_6264.webp)
Lavoisier's laboratory, 1785. Lavoisier was able to make water out of oxygen and hydrogen (and a spark) in this laboratory, proving that water was actually a…
![IMG_6248 Set of weights. In France, prior to the 1789 revolution, each province (district) has its own reference for measurements.](thumbs/IMG_6248.webp)
Set of weights. In France, prior to the 1789 revolution, each province (district) has its own reference for measurements.
![IMG_6270 Reference platinum meter (1799) and platinum kilogram (1799): during the French Revolution/civil war in the 1790s, need arose for a standardized measuring...](thumbs/IMG_6270.webp)
Reference platinum meter (1799) and platinum kilogram (1799): during the French Revolution/civil war in the 1790s, need arose for a standardized measuring…
![IMG_6274 In 1792 definition of time was also changed to follow the decimal system, and decimal clocks were produced. The metric system is still used today, but not...](thumbs/IMG_6274.webp)
In 1792 definition of time was also changed to follow the decimal system, and decimal clocks were produced. The metric system is still used today, but not…
![IMG_6382 Foucault's pendulum, 1851. The brass sphere weighs 28kg and was used by Foucault in the Pantheon to demonstrate the rotation of Earth.](thumbs/IMG_6382.webp)
Foucault's pendulum, 1851. The brass sphere weighs 28kg and was used by Foucault in the Pantheon to demonstrate the rotation of Earth.
![IMG_6276 A system used by Foucault in 1862 to measure the speed of light. Physiscist Foucault could prove the speed of light was not infinite using a fast rotating...](thumbs/IMG_6276.webp)
A system used by Foucault in 1862 to measure the speed of light. Physiscist Foucault could prove the speed of light was not infinite using a fast rotating…