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Period: to
Major Telegraph Connections
During 1850s and 1860s, Transatlantic telegraph cables are laid with progressive improvements (Colburn, 2016). -
Foundations of Boolean Algebra
An Investigation of the Laws of Thought by George Boole presents a form of algebra that would become the foundation of Boolean logic used in search engines. -
New Organization System
Dewey Decimal system published while aiding trend to organize information in a better way. -
Network of Organizers Begins
American Library Association was founded in 1876(American Library Association, 2019). -
Engineer Networks
American Institute of Electrical Engineers forms in 1884. -
Trend of Turning to Machines
Herman Hollerith tabulation machine used in United States 1890 census beginning trend of using machines for complex operations (Halavais, 2009, p. 11). -
Public Access to Information
1897 Library of Congress opens to public (Library of Congress, n.d.). -
Soper Device
H.E. Soper invention that uses the presence of light to indicate that a match is found within a set of catalogue cards that have individualized holes in them is granted U.S. patent (Sanderson, & Croft, 2012). -
Goldberg Device
Emanuel Goldberg files U.S. patent for a microfilm device that shows a catalogued image when an exact match is found by overlaying certain letters or dots in a reference image (Sanderson, & Croft, 2012). -
Foundations of Computer Science
Church-Turing Thesis published laying foundation for computer science. -
The Eigenvalue
Methoden der mathematischen Physik. II by Richard Courant and David Hilbert gains wider publication spreading the terminology "eigenwerte" which would later be used as eigenvalue in Pagerank search algorithm. (Copson, 1938; Page, Brin, Motwani, Winograd, 1999). -
Development of Boolean Algebra
Claude Elwood Shannon writes A Symbolic Analysis of Relay and Switching Circuits in Transactions of the American Institute of Electrical Engineers thereby applying Boolean algebra to electrical switching circuits (Nahin, 2012, p. 38). -
The ENIAC and Better Storage
ENIAC is developed using mercury delay lines for increased storage (Hagen, & Krapp, 2016, pp. 236-237). -
Two Precursors in One
Vannevar Bush writes "As We May Think" in the Atlantic describing the Memex, an information storage and retrieval device (Bush, 1945). Pre-media-ecology style can be found in this work. -
Ultrasonic Storage
In 1949, EDSAC calculating computer uses ultrasonic tanks for storage (Wilkes, & Renwick, 1950).
