Science in the 1800's by Claires C. and S.

This machine was designed to test electrostatic toys.
Josiah Willard Gibbs’s work in Thermodynamics helped to launch the area of Physical Chemistry.

Albert Michelson invented the interferometer, which he intended to help him disprove the existence of luminiferous ether. He did disprove its existence, but not until 1923, and not using his interferometer.
William Beaumont was a surgeon famous for his published work, Experiments and Observations on the Gastric Juice and the Physiology of Digestion, which is considered by many to be the first complete study of digestion.
Asaph Hall was an Astronomer. He discovered two moons of Mars, Phobos, meaning fear, and Deimos, meaning terror.