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In 1873, Frederick Guthrie discovered the basic principle of operation of thermionic diodes.
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1873 and Frederick
Although thermionic emission was originally reported in 1873 by Frederick Guthrie, it was Thomas Edison's 1884 investigation that spurred future research, the phenomenon thus becoming known as the " Edison effect ".
The Group of Seven — sometimes known as the Algonquin school — were a group of Canadian landscape painters from 1920 to 1933, originally consisting of Franklin Carmichael ( 1890 – 1945 ), Lawren Harris ( 1885 – 1970 ), A. Y. Jackson ( 1882 – 1972 ), Frank Johnston ( 1888 – 1949 ), Arthur Lismer ( 1885 – 1969 ), J. E. H. MacDonald ( 1873 – 1932 ), and Frederick Varley ( 1881 – 1969 ).
There were only five awards of the Grand Cross: to King Wilhelm I in 1866, to Crown Prince Frederick William of Prussia ( later Emperor Frederick III ) and Prince Frederick Charles of Prussia in 1873, to Tsar Alexander II of Russia in 1878, and to Helmuth Graf von Moltke in 1879.
The Eagle Brewery changed its name to " D. G. Yuengling and Son " in 1873 after Frederick Yuengling joined his father David in running the company.
John Frederick Hartranft ( December 16, 1830 – October 17, 1889 ) was the 17th Governor of Pennsylvania from 1873 to 1879 and a Union Major General who received the Medal of Honor for his actions during the American Civil War.
By 1873 he had a new partner in both endeavors: His son, E. F. ( Edward Frederick ) Rath, doing business under the name George Rath and Son.
Frederick William Gaisberg ( 1 January 1873 – 2 September 1951 ) was an American-born musician, recording engineer and one of the earliest classical music producers for the gramophone.
This post he left in 1867, was for a short time chamberlain to the crown prince of Prussia, afterwards the Emperor Frederick III, and from 1873 to 1889 successfully directed the Court theatre at Karlsruhe.
On October 24, 1873, William Frederick Poole was elected the first head librarian by the library's Board of Directors.
This story was adapted in the English melodrama The Flying Dutchman ; or the Phantom Ship: a Nautical Drama, in three acts ( 1826 ) by Edward Fitzball ( 1792 – 1873 ) and the novel The Phantom Ship ( 1839 ) by Frederick Marryat.
The city commissioned Frederick Law Olmsted and Calvert Vaux to produce a design for the park in 1873, but the plan was shelved during the economic depression following the Panic of 1873.
1873 and Guthrie
Guthrie arrived in South Africa on 10 April 1861 and was met and entertained by Dr. Dale ( later Sir Langham Dale ), who was instrumental in the establishing of the University of the Cape of Good Hope in June 1873.
1873 and discovered
His works, first collected in 1779, were edited, with newly discovered letters, by J. P. Browne ( London, 1873 ).
Mitosis was discovered in frog, rabbit, and cat cornea cells in 1873 and described for the first time by the Polish histologist Wacław Mayzel in 1875.
Eureka County was established in 1873 and formed from Lander County after silver was discovered more than east of Austin.
The community is named for Harrison Yarnell, a later prospector, who discovered the Yarnell mine in 1873.
This Greek manuscript was discovered by Philotheos Bryennios at Constantinople in 1873, and Adolf Hilgenfeld used it for his edition in 1877.
The first gold mining was recorded at Tia in 1866 and in 1873 a reef was discovered at McLeod ’ s Creek, near Walcha.
Temples were built at the summit, including a Gallo-Roman temple dedicated to the God Mercury, the ruins of which were discovered in 1873.
Regarding A. p. piscivorus, an early account by Stejneger ( 1895 ) described a pair in the Berlin Zoological Garden that mated on January 21, 1873, after which eight neonates were discovered in the cage on July 16 of that year.
* Ostrov Gallya ( Hall Island ) was on August 30, 1873, the first of the Franz Josef Islands to be discovered.
In 1873 German chemist Hermann Wilhelm Vogel discovered that the addition of small amounts of certain aniline dyes to a photographic emulsion could add sensitivity to colors which the dyes absorbed.
It was discovered in 1873 by the Norwegian physician Gerhard Armauer Hansen, who was searching for the bacteria in the skin nodules of patients with leprosy.
Golgi's method is a nervous tissue staining technique discovered by Italian physician and scientist Camillo Golgi ( 1843 – 1926 ) in 1873.
A stone cross dedicated to the Anglo-Saxon St Chad, discovered in 1873, indicates Anglo-Saxon activity.
It was discovered by C. H. F. Peters on February 17, 1873, and named after Electra, an avenger in Greek mythology.
It was discovered by C. H. F. Peters on May 24, 1873, and named after Völva, a prophetess in Norse mythology.
It was discovered by J. C. Watson on August 16, 1873, and named after Cyrene, a nymph, daughter of king Hypseus and beloved of Apollo in Greek mythology.
It was discovered by Robert Luther on September 27, 1873, and is named after the concept of sophrosyne, Plato's term for ' moderation '.
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