Several inventors devised machines to record sound prior to Thomas Edison's phonograph, Edison being the first to produce a device that could both record and reproduce sound.

Several earlier inventors working on the light bulb had progressed as far in their work as Woodward and Evans: J.

Several great inventors resided in River Forest including Edwin Perkins, who invented Kool-Aid, James Dewar ( baker ), who invented the Twinkie, and Franklin Clarence Mars who invented the Mars Bar.

Several US patents for " glow stick " type devices were received by various inventors.

Several other inventors subsequently produced modified versions of the phonautograph and recorded the sound-modulated line by the use of various implements and in various formats, either in attempts to improve on Scott's apparatus or to adapt it to specific applications.

Several other products followed, all supplied by outside inventors to be manufactured and marketed by E. S. R.

Several patentable methods for producing images ( by either additive or subtractive methods, see below ) were devised from 1862 on by two French inventors ( working independently ), Louis Ducos du Hauron and Charles Cros.

Several inventions followed using rear-wheel drive, the best known being the rod-driven velocipede by Scotsman Thomas McCall in 1869.

Several of the Commonwealth nations followed the British lead and sourced buses from British manufacturers, leading to a prevalence of double-decker buses.

Several months of unemployment followed, however, and Chaplin lived a solitary existence while lodging with a family in Kennington.

Several key leaders early in the Protestant Reformation, including Martin Luther and John Calvin, followed the traditional reasoning in favour of capital punishment, and the Lutheran Church's Augsburg Confession explicitly defended it.

Several other archival live releases followed, and in 2009 the first of several planned multi-disc box sets, The Archives Vol.

Several other commercials for MTV quickly followed, in which Leary would rant at high speeds about a variety of topics, playing off the then-popular and growing alternative scene.

Several such raids followed in subsequent decades, in particular the Battle of Abrittus in 251, led by Cniva, in which the Roman Emperor Decius was killed.

Several more appearances followed in her subsequent plays.

Several films followed in the next couple of years, including two 15 minute shorts that are still shown regularly in Norway today, Veslefrikk med Fela ( Little Freddy and his Fiddle ), based on a Norwegian folk tale, and Karius og Baktus, a story by Thorbjørn Egner of two little trolls, representing Caries and Bacterium, living in a boy's teeth.

Several American football players have followed Kemp to Congress: Steve Largent, J. C. Watts, and Heath Shuler.

Several successful flights followed, however the flight on January 11, 1938 ended in tragedy.

Several specialized processing devices have followed from the technology.

Several other experiments followed, with André-Marie Ampère, who in 1820 discovered that the magnetic field circulating in a closed-path was related to the current flowing through the perimeter of the path ; Carl Friedrich Gauss ; Jean-Baptiste Biot and Félix Savart, both of which in 1820 came up with the Biot-Savart Law giving an equation for the magnetic field from a current-carrying wire ; Michael Faraday, who in 1831 found that a time-varying magnetic flux through a loop of wire induced a voltage, and others finding further links between magnetism and electricity.

Several among his cardinals who had been shut up in Nocera with him and had followed him in Genoa determined to make a stand: they determined that a Pope, who by his incapacity or blind obstinacy might be put in the charge of one of the cardinals.

Several more minor hits on Haven followed, and then the Righteous Brothers found themselves " hitless " again until 1990, although they toured frequently.

Several made-for-TV movies based upon the series followed in the early 1990s featuring Robert Urich and Avery Brooks, with Barbara Williams and later Wendy Crewson as Susan.

Several other productions followed, including those in Adelaide ( Unley City Hall, 1912 ), Melbourne ( Athanaeum Theatre, 1915 ) and Perth ( Town Hall, 1918 ).

Several minor revisions ( UML 1. 3, 1. 4, and 1. 5 ) fixed shortcomings and bugs with the first version of UML, followed by the UML 2. 0 major revision that was adopted by the OMG in 2005.

Several unsuccessful rebellions followed, but by 1075 William's hold on England was mostly secure, allowing him to spend the majority of the rest of his reign on the Continent.

Several other raids with Fatah's poorly trained and badly equipped fighters followed this incident.

* Several typhoons and hurricanes resulted in extreme destruction in this decade, especially in 2005 ( the most active in recorded history ) with Hurricane Katrina nearly destroying New Orleans, followed by Hurricane Rita, which wreaked destruction along the U. S. Gulf Coast.

Several other Mineriads followed, the results of which included a government change.

Several communities in Ireland, particularly in the west of the country, were wiped out as a result of the Great Famine in the latter half of the 19th century, and the years of economic decline that followed.

Several copycats have followed over the years.

Several novels followed, to warm reception.

Several distinct systems were used, principally the Lorenz SZ 40 / 42 ( code-named Tunny ) and Geheimfernschreiber ( code-named Sturgeon ).

Several famous lighthouses mark the course of the canal, including the Sturgeon Bay Canal Lighthouse at the eastern entrance on the northern side of the canal ( approximately 230 feet from Lake Michigan ) next to the Coast Guard Station Sturgeon Bay ); the Sturgeon Bay Canal North Pierhead Light on the Lake Michigan coastline ; and the Sherwood Point Lighthouse in Idlewild, on the far western end, on the southern shore of the outer edge of Sturgeon Bay.

Combinations of the above techniques produce a " hybrid " or " hyphenated " technique .< ref name =" pmid9008869 "> Several examples are in popular use today and new hybrid techniques are under development.

Several components that eventually played a key role in the development of the automobile were invented for the bicycle, including ball bearings, pneumatic tires, chain-driven sprockets, and tension-spoked wheels.

Several years after his death, a street on a new housing development in Tividale, West Midlands, was named Attlee Close in his memory.

Several companies, including Fairchild Semiconductor, RCA and Texas Instruments, picked up on the invention and began development programs.

Several DBMS products like Oracle and IBM DB2 have been in on-going development since the 1970s-1980s.

Several DBMS products like Oracle and IBM DB2 have been in on-going development since the 1970s-1980s.

Several of them gained their positions through the patronage of Yasser Arafat, who balanced above the different factions, and the era after his death in 2004 has seen increased infighting among these groups, who jockey for influence over future development, the political line, funds, and constituencies.

Several of the units were later used by Mattel Electronics engineers when it was discovered that, with a few minor modifications, a Keyboard Component could be used as an Intellivision software-development system in place of the original hand-built development boards.

Several times during the development of the Oz series, Baum declared that he had written his last Oz book and devoted himself to other works of fantasy fiction based in other magical lands, including The Life and Adventures of Santa Claus and Queen Zixi of Ix.

Several systems were under development, but none had reached operational status before the war's end.

Several different mitigation / prevention strategies are currently employed, from the development of infertile triploids to land-based farms which are completely isolated from any marine environment.

Several drivetrain layouts were considered during early development, including rear and mid-engined designs, but most were dismissed because of technical and / or legislative difficulties.

Several types of visual prosthesis are in development or trials in humans, and one device has been approved for sale in the European market.

Several works of art and fiction significant to the development of the genre were produced before the genre had a name.

Several approaches have been proposed for the solution of this problem but development is currently still very much in progress.

Several different studies have been done that have led to the formation of the theory that post-fire development can be propagated by any of four pathways: self replacement, species-dominance relay, species replacement, or gap-phase self replacement.

Several independent game projects have joined WorldForge, resulting in a lot of parallel development.

Several preservation projects currently exist, in various stages of development, that archive many of the past demos.

Several studies show that high levels of cortisol within the bloodstream from the digestion of animal protein can contribute to the development of insulin resistance.

Several political parties were formed and jostled for independence and economic development.

Several just-in-time compilation ( JIT ) techniques were pioneered and improved in Self research as they were required to allow a very high level object oriented language to perform at up to half the speed of optimized C. Much of the development of Self took place at Sun Microsystems, and the techniques they developed were later deployed for Java's HotSpot virtual machine.

Several vaccine candidates are currently in various phases of research and development, including a number of ongoing clinical trials.

Several models have been created to describe coming out as a process for gay and lesbian identity development, e. g. Dank, 1971 ; Cass, 1984 ; Coleman, 1989 ; Troiden, 1989.

Several bilateral agreements provide a solid framework for cooperation in areas such as healthcare, defence, and technological research & development.