1792 in science

The year 1792 in science and technology involved some significant events.

Astronomy

Franz Xaver, Baron Von Zach publishes The Tables of the Sun, an instrumental work for the advancement of navigation.
The first Royal Astronomer of Ireland is appointed: the post is combined with the position of Director of the Dunsink Observatory in Dublin.

Scottish surgeon Robert Kerr publishes The Animal Kingdom, the first two volumes of an English translation of Linnaeus' Systema Naturae.

Kurt Sprengel publishes Versuch einer pragmatischen Geschichte der Arzneikunde in Halle, the first chronologically complete work on the history of medicine.

American statesmen Thomas Jefferson introduces the highest averages method of allocating electoral votes which becomes known as the D'Hondt method.

Benjamin Rush campaigns for more humane treatment of psychiatric patients in Pennsylvania.
FranÃÂ§ois Chopart performs plastic surgery on a lip using a flap from the neck.

Abate Giovanni Battista Guglielmini publishes De diuturno terrÃÂ¦ motu experimentis physico-mathematicis confirmato opusculum describing experiments carried out in Bologna to demonstrate rotation of the earth.

April 25 Ã¢ÂÂ First use of the guillotine.
Claude Chappe successfully demonstrates the first semaphore line, between Paris and Lille, constituting an optical telegraph.
William Murdoch invents gas lighting.
George Anschutz constructs the first blast furnace in Pittsburgh, Pennsylvania.
James Rumsey is granted a patent for a water turbine, in England.
The first iron-cased Mysorean rockets are successfully developed and used by Hyder Ali and his son Tipu Sultan, rulers of the Kingdom of Mysore in India, against British East India Company forces during the Anglo-Mysore Wars.