Template:Selected anniversaries/September 4: Difference between revisions
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File:Thomas Edison.jpg|link=Thomas Edison (nonfiction)|1882: [[Thomas Edison (nonfiction)|Thomas Edison]] flips the switch to the first commercial electrical power plant in history, lighting one square mile of lower Manhattan. This is considered by many as the day that began the electrical age. | File:Thomas Edison.jpg|link=Thomas Edison (nonfiction)|1882: [[Thomas Edison (nonfiction)|Thomas Edison]] flips the switch to the first commercial electrical power plant in history, lighting one square mile of lower Manhattan. This is considered by many as the day that began the electrical age. | ||
File:Gustav Robert Kirchhoff.jpg|link=Gustav Kirchhoff (nonfiction)|1883: Physicist and crime-fighter [[Gustav Kirchhoff (nonfiction)|Gustav Kirchhoff]] uses the emission of black-body radiation by heated objects to detect and prevent [[crimes against mathematical constants]]. | |||
File:George_Eastman.jpg|link=George Eastman (nonfiction)|1888: [[George Eastman (nonfiction)|George Eastman]] registers the trademark Kodak and receives a patent for his camera that uses roll film. | File:George_Eastman.jpg|link=George Eastman (nonfiction)|1888: [[George Eastman (nonfiction)|George Eastman]] registers the trademark Kodak and receives a patent for his camera that uses roll film. |
Revision as of 14:42, 4 July 2017
1882: Thomas Edison flips the switch to the first commercial electrical power plant in history, lighting one square mile of lower Manhattan. This is considered by many as the day that began the electrical age.
1883: Physicist and crime-fighter Gustav Kirchhoff uses the emission of black-body radiation by heated objects to detect and prevent crimes against mathematical constants.
1888: George Eastman registers the trademark Kodak and receives a patent for his camera that uses roll film.