1870 in science

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The year 1870 in science and technology involved some significant events, listed below.

Biology

• January 18 – Gerhardt Krefft first describes the Queensland lungfish, in The Sydney Morning Herald .
• Charles Valentine Riley confirms Phylloxera as the cause of the Great French Wine Blight. ^[1]
• Heinrich Wilhelm Gottfried von Waldeyer-Hartz postulates that the number of ova in the female is fixed.

Chemistry

• Norman Lockyer and Edward Frankland propose that the gas detected in solar observations should be called 'helium'. ^{[2] [3]}

Mathematics

• Felix Klein constructs a model for hyperbolic geometry establishing its self-consistency and the logical independence of Euclid's fifth postulate. (Note: Eugenio Beltrami had previously given such a model in 1868.)
• W. Stanley Jevons publishes the popular textbook Elementary Lessons on Logic. ^[4]

Medicine

• Louis Pasteur and Robert Koch establish the germ theory of disease.
• Henry Maudsley publishes his lectures on Body and Mind: an Inquiry into their Connection and Mutual Influence.
• Frances Morgan becomes the first British woman to receive a Doctor of Medicine degree from a European university, the University of Zurich.

Meteorology

• November 1 – In the United States, the newly created Weather Bureau (later renamed the National Weather Service) makes its first official meteorological forecast: "High winds at Chicago and Milwaukee... and along the Lakes".

Paleontology

• Eustreptospondylus oxoniensis juvenile dinosaur fossil found in Summertown, Oxford. ^[5]

Physics

• Rudolf Clausius proves the scalar virial theorem.

Psychology

• Ludimar Hermann observes the Hermann grid illusion. ^[6]

Technology

• February 26 – The Beach Pneumatic Transit subway in New York City is opened.
• March 8 – Joy valve gear for steam locomotives is patented in the United Kingdom by David Joy.
• August 2 – Official opening of the Tower Subway beneath the River Thames in London, first use of the cylindrical wrought iron tunnelling shield devised by Peter W. Barlow and James Henry Greathead ^[7] and of a permanent tunnel lining of cast iron segments. ^[8]
• Svend Foyn receives a Norwegian patent for the grenade harpoon cannon for whaling.
• Henry R. Heyl receives a United States patent for a magic lantern movie projector.
• A practical stock ticker is introduced by Thomas Edison.
• First known use of weapons for anti-aircraft warfare, at Paris during the Franco-Prussian War.

Institutions

• Ellen Swallow Richards becomes the first woman admitted to study at the Massachusetts Institute of Technology.
• December 20 – Missouri University of Science and Technology established as the Missouri School of Mines and Metallurgy.

Awards

• Copley Medal: James Prescott Joule ^[9]
• Wollaston Medal for geology: Gerard Paul Deshayes

Births

• January 9 – Joseph Strauss (died 1938), American bridge engineer.
• January 13 – Ross Granville Harrison (died 1959), American physiologist.
• February 7 – Alfred Adler (died 1937), Austrian psychotherapist.
• March 17 – Horace Donisthorpe (died 1951), English entomologist.
• May 20 – Arthur Korn (died 1945), German inventor.
• May 27 – Anna Stecksén (died 1904), Swedish scientist, physician and pathologist.
• June 21 – Clara Immerwahr (suicide 1915), German chemist.
• August 25 – Mihran Kassabian (died 1910), American radiologist.
• October 23 – George Newman (died 1948), English public health physician.

Deaths

• January 25 – Janet Taylor (born 1804), English mathematician and navigational instrument maker.
• March 9 – 'Granny' Maria Ann Smith (born 1799), English-born Australian horticulturalist.
• March 12 – Charles Xavier Thomas (born 1785), French inventor of the first mass-produced calculator.
• July 12 – Alexander Henry Haliday (born 1806), Anglo Irish entomologist.
• November 14 – Karl Weltzien (born 1813), German inorganic chemist.
• December 27 (O.S. December 15) – Nikolai N. Kaufman (born 1834), Russian botanist.

References

1. "The Great French Wine Blight". Wine Tidings. 96. July–August 1986. Archived from the original on 17 July 2011. Retrieved 2011-08-01.
2. Thomson, W. (1872) Report of the British Association for the Advancement of Science99.
3. "Discovery of Helium". Sir Joseph Norman Lockyer. Archived from the original on 2011-02-26. Retrieved 2011-03-30.
4. Grattan-Guinness, Ivor (2000). The Search for Mathematical Roots, 1870–1940. Princeton University Press. ISBN   978-0-691-05858-0.
5. Phillips, John (1871). Geology of Oxford and the Valley of the Thames. Oxford: Clarendon Press. Display in Oxford University Museum of Natural History.
6. Hermann, L. (1870). "Eine Erscheinung simultanen Contrastes". Pflügers Archiv für die gesamte Physiologie. 3: 13–15. doi:10.1007/BF01855743.
7. Smith, Denis (2001). Civil Engineering Heritage: London and the Thames Valley. Thomas Telford. pp. 22–23. ISBN   0-7277-2876-8.
8. West, Graham (2005). Innovation and the Rise of the Tunnelling Industry. Cambridge University Press. pp. 116–118. ISBN   0-521-33512-4.
9. "Copley Medal | British scientific award". Encyclopædia Britannica. Retrieved 23 July 2020.