Leon Berger. Noted improvements to the guillotine machine were made in 1870 by the assistant executioner and carpenter Leon Berger. Berger added a spring system, which stopped the mouton at the bottom of the groves. He added a lock/blocking device at the lunette and a new release mechanism for the blade.
An observatory is a place for observing, or studying, natural objects and events on Earth or in space. An astronomical observatory is a place to observe space. Scientists use this type of observatory to gather information about stars, planets, comets, and other things outside Earthâs atmosphere.
exists and is an alternate of . Astronomy is the study of the universe with particular reference to celestial bodies. The planets, the moons, the sun and other stars, galaxies, etc. all fall under astronomy. Astronomy is comparable to a physical geographic study of space. Not to be confused with astrophysics, the study of the physics or composition of celestial bodies.