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.
â¢ ASTRONOMY (noun) The noun ASTRONOMY has 1 sense: 1. the branch of physics that studies celestial bodies and the universe as a whole. Familiarity information: ASTRONOMY used as a noun is very rare.