Search results
Results from the WOW.Com Content Network
1933 was a common year starting on Sunday of the Gregorian calendar, the 1933rd year of the Common Era (CE) and Anno Domini (AD) designations, the 933rd year of the 2nd millennium, the 33rd year of the 20th century, and the 4th year of the 1930s decade.
A number of subscribers were served via automatic sub-centres which used relays and Type 2 uniselectors, acting as concentrators for a manual exchange. In the late 1950s, the decision was made to convert to automatic switching and this was completed by 1961; there were 21 exchanges spread across the country, with one international exchange in ...
1 July 1881: The world's first international telephone call is made between St. Stephen, New Brunswick, Canada, and Calais, Maine, United States. [22] 11 October 1881: The Sydney telephone exchange opened with 12 subscribers. 1882: A telephone company—an American Bell Telephone Company affiliate—is set up in Mexico City.
These made telephones an available and comfortable communication tool for many purposes, and it gave the impetus for the creation of a new industrial sector. The telephone exchange was an idea of the Hungarian engineer Tivadar Puskás (1844–1893) in 1876, while he was working for Thomas Edison on a telegraph exchange.
2004: First podcast, invented by Adam Curry and Dave Winer, is a program made available in digital format for download over the Internet and it usually features one or more recurring hosts engaged in a discussion about a particular topic or current event. [544] [545] [546] 2005: YouTube, the first popular video-streaming site, was founded
The year 1933 in science and technology involved some significant events, listed below. Astronomy ... Stanley Skewes discovers Skewes' number. [11] Pharmacology
c. 20,000 BC — Nile Valley, Ishango Bone: suggested, though disputed, as the earliest reference to prime numbers as also a common number. [1] c. 3400 BC — the Sumerians invent the first so-known numeral system, [dubious – discuss] and a system of weights and measures.
The 401, introduced in 1933, was an early entry in a long series of IBM alphabetic tabulators and accounting machines. It was developed by a team headed by J. R. Peirce and incorporated significant functions and features invented by A. W. Mills, F. J. Furman and E. J. Rabenda. The 401 added at a speed of 150 cards per minute and listed ...