1730 in science

The year 1730 in science and technology involved some significant events.

Astronomy

 * The analemma is developed by the French astronomer Grandjean de Fouchy.

Mathematics

 * James Stirling publishes Methodus differentialis, sive tractatus de summatione et interpolatione serierum infinitarum.

Physics

 * The Reaumur scale is developed by French naturalist René Antoine Ferchault de Réaumur, with 0° = the freezing point of water and 80° = the boiling point.

Technology

 * Joseph Foljambe of Rotherham, England, produces the iron-clad Rotherham swing plough.

Births

 * April 15 – Moses Harris, English entomologist and engraver (died c. 1788)
 * July 12 – Anna Barbara Reinhart, Swiss mathematician (died 1796)
 * June 26 – Charles Messier, French astronomer (died 1817)
 * August 12 – Edmé-Louis Daubenton, French naturalist (died 1785)
 * December 8
 * Johann Hedwig, Transylvanian-born German botanist (died 1799)
 * Jan Ingenhousz, Dutch physiologist (died 1799)
 * Maria Angela Ardinghelli, Italian scientific translator (died 1825)
 * between 1730 and 1732 – William Hudson, English botanist (died 1793)

Deaths

 * January 18 – Antonio Vallisneri, Italian physician and natural scientist (born 1661)
 * April 21 - Jan Palfijn, Flemish surgeon and obstetrician (born 1650)
 * December 5 (bur.) – Alida Withoos, Dutch botanical artist (born c. 1661/1662)