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1936 in South West Africa (1 C) / 1936 establishments in South Africa (1 C, 11 P) L. 1936 in South African law (2 P) S. 1936 in South African sport (2 C, 2 P)
U.S. patent 334,823 - Commutator for Dynamo Electric Machines - 1886 January 26 - Elements to prevent sparking on dynamo-electric machines; Drum-style with brushes.; U.S. patent 335,786 - Electric Arc lamp - 1886 February 9 - Arc lamp with carbon electrodes controlled by electromagnets or solenoids and a clutch mechanism; Corrects earlier design flaws common to the industry.
7 – The Representation of Natives Act no 16 of 1936 is passed, the first of a series of laws to diminish the voting rights of non-Whites in the Cape Province. [1] July. 2 – Die Vaderland, the first Afrikaans daily newspaper in Transvaal, begins publishing in Johannesburg. September. 15 – The Empire Exhibition, South Africa opens in ...
In February 1892, Tesla gave a lecture to the Institution of Electrical Engineers, in which he described the carbon button lamp in detail. He also described several variants of the lamp, one of which uses a ruby drop in place of the carbon button. Tesla went on to develop it as a near commercial lighting product. [1]
Tesla had already been issued the following patents: U.S. patent 359,748 - Dynamo-Electric Machine - 1886 January 14 -; U.S. patent 334,823 - Commutator for Dynamo Electric Machines - 1886 January 26 - Elements to prevent sparking on dynamo-electric machines; Drum-style with brushes.
This is a list of acts of the Parliament of South Africa enacted in the years 1930 to 1939. South African acts are uniquely identified by the year of passage and an act number within that year. Some acts have gone by more than one short title in the course of their existence; in such cases each title is listed with the years in which it applied.
1875 Henry Woodward patents an electric light bulb. 1876 Pavel Yablochkov invents the Yablochkov candle , the first practical carbon arc lamp, for public street lighting in Paris. 1879 (About Christmas time) Col. R. E. Crompton illuminated his home in Porchester Gardens , using a primary battery of Grove Cells, then a generator which was better.
Aerolux Light Corporation was a manufacturer of artful gas-discharge light bulbs from the 1930s through the 1970s. [1] Aerolux made these bulbs in a factory in New York City . US Patents dating back to the 1930s describe the design and construction of these bulbs.