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Sir Joseph Wilson Swan FRS (31 October 1828 – 27 May 1914) was an English physicist, chemist, and inventor.He is known as an independent early developer of a successful incandescent light bulb, and is the person responsible for developing and supplying the first incandescent lights used to illuminate homes and public buildings, including the Savoy Theatre, London, in 1881.
Light therapy, also called phototherapy or bright light therapy is the exposure to direct sunlight or artificial light at controlled wavelengths in order to treat a variety of medical disorders, including seasonal affective disorder (SAD), circadian rhythm sleep-wake disorders, cancers, neonatal jaundice, and skin wound infections.
In February 1845 Starr and a business associate, Edward Augustin King (d.1863), set out for England to secure British and French patents for the invention. King described the construction and use of a lamp in September 1845, and British patent No. 10,919 was granted to him on November 4, 1845 [third-party source needed]. The patent described ...
Sushruta (600 BC), Vedic India – inventor of Plastic Surgery, Cataract Surgery, Rhinoplasty; Theodor Svedberg (1884–1971), Sweden – Analytical ultracentrifuge; Joseph Swan (1828–1914), UK – Incandescent light bulb; Robert Swanson (1905–1994), Canada – invented and developed the first multi-chime air horn for use with diesel ...
He was born in Cressona, Pennsylvania on February 26, 1858 to William Hammer (1827–1895) and Martha Augusta Beck (1827–1861). [1] [2]He became a laboratory assistant to Thomas Edison in December 1879, and assisted in the development of the incandescent light bulb. [3]
The American inventor Philo Taylor Farnsworth (1906–1971) developed in Los Angeles, the first fully electronic television system in the world. John Logie Baird developed his Phonovision, the first videodisc player. 30-line television images are stored on shellac records. At 78 RPM mechanically scanned, the images can be played back on his ...
1813 National Heat and Light Company formed by Frederick Albert Winsor. 1815 Humphry Davy invents the miner's safety lamp. 1823 Johann Wolfgang Döbereiner invents the Döbereiner's lamp. 1835 James Bowman Lindsay demonstrates a light bulb based electric lighting system to the citizens of Dundee.
The lamps on exhibition were incandescent light bulbs with carbon-filaments of high resistance, made of fibres of reed. [5] Two patents were granted to Heinrich Göbel in 1882: an improvement of the Geissler system of vacuum pumps, and a solution to connect carbon-filaments and metal-wires in a light bulb. [6] [7]