[DOC] [TLE] History of the battery - Wikipedia [PAR] Batteries provided the main source of electricity before the development of 
electric generators .... In 1836 he invented the Daniell cell, which consisted of a 
copper pot filled .... for at least twenty hours when employed for electric 
incandescent lighting. (p. .... Until then, longer-lasting alkaline batteries were 
unfeasibly expensive. [DOC] [TLE] Information on the Invention of the Battery - Battery University [PAR] Figure 2: Alessandro Volta, inventor of the electric battery. ... In the same year, 
Volta released his discovery of a continuous source of electricity to the ... He 
arranged square sheets of copper with equal-sized sheets of zinc placed into a 
..... Give a short description of the reason for the development of the alkaline cell 
which is... [DOC] [TLE] Edison Biography - Thomas Edison National Historical Park (U.S. ... [PAR] Edison resolved that in the future he would only invent things that he was certain 
the ... Edison spent the next several years creating the electric industry. ... After 
opening the new laboratory, Edison began to work on the phonograph again, ... 
his new alkaline battery, the gasoline powered car had so improved that electric... [DOC] [TLE] Thomas Alva Edison - Energy and kids [PAR] Edison became a telegraph operator after he saved three-year-old Jimmie ... One 
night in 1867, he was working with a battery when he spilled sulphuric acid onto 
... he made stock tickers and worked on developing the quadruplex telegraph. ... 
of invention as he extended and improved greatly upon his electric light, heat,... [DOC] [TLE] On This Day: Thomas Edison Develops Incandescent Light Bulb [PAR] Oct 21, 2011 ... On Oct. 21, 1879, Thomas Edison completed a successful ... Edison began 
working on electric light in September 1878 and ... the improved bulb was 
Edison's development of an electrical supply system to power the bulbs ... And in 
that sense, maybe it is fair to say that Edison invented the light bulb, after all. [DOC] [TLE] Who Made America? | Innovators | Thomas Edison - PBS [PAR] The "Wizard of Menlo Park" brought the world electric light, recorded music, and 
... Edison invented or refined devices that made a profound impact on how 
people lived. ... and showing motion pictures (1893), and alkaline storage 
batteries (1901). ... In 1876, the year of the American centennial, he opened his 
first full-scale... [DOC] [TLE] THOMAS EDISON'S INVENTIONS [PAR] 1868 Came up with his first patented invention, an Electrical Vote Recorder. ... 
where he made stock tickers and worked on developing the quadruplex 
telegraph. ... years of invention as he extended and improved greatly upon his 
electric light, heat, ... 1900 - 1910 Invented and perfected the steel alkaline 
storage battery and... [DOC] [TLE] History of batteries: their invention and development - About Batteries [PAR] History of battery invention and development ... While its 2000-year old date 
would make it the first documented battery invention, ... the coil deflects it and an 
attached mirror, which reflects a beam of light. ... He later improved the battery by 
substituting a moist ammonium chloride ... 1949 -- the Alkaline-Manganese 
Battery [DOC] [TLE] Thomas Edison's legacy: inventions and discoveries - ZME Science [PAR] Jan 25, 2015 ... The telegraph was actually the source of inspiration in creating this device. ... The 
year when Edison first produced reliable electric light was in 1879, guiding ... He 
invented the incandescent light bulb along with the systems ... The alkaline 
battery via patentimages.googleapis.com .... Image credits Cast21. [DOC] [TLE] Thomas Edison - Inventions - HISTORY.com [PAR] Thomas Edison's most famous invention, the lightbulb, paved the way for ... In 
1877, Edison developed the carbon transmitter, a device that improved the ... In 
1881, he set up an electric light company in Newark, and the following year 
moved his ... In the interim, he had had success developing an alkaline storage 
battery,... [DOC] [TLE] Thomas Edison, Chemist - American Chemical Society [PAR] Edison was allowed to keep a chemistry set onboard the train so he could 
conduct ... in the development

Question: 21 years after developing an improved electric light, he invented the alkaline battery
Answer: Thomas Edison