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Thaddeus Cahill (June 18, 1867 – April 12, 1934) was a prominent american inventor of the early 20th century. He is widely credited with the invention of the first electromechanical musical instrument, which he dubbed the telharmonium.
Telharmonium console by Thaddeus Cahill 1897. The Telharmonium (also known as the Dynamophone [1]) was an early electrical organ, developed by Thaddeus Cahill c. 1896 and patented in 1897. [2] [3] [4] The electrical signal from the Telharmonium was transmitted over wires; it was heard on the receiving end by means of "horn" speakers. [5]
The Oxford Illustrated Histories are a series of single-volume history books written by experts and published by the Oxford University Press. [1] According to Hew Strachan , its intended readership is the 'intelligent general reader' rather than the research student.
Immediate source: The ‘Telharmonium’ or ‘Dynamophone’ Thaddeus Cahill, USA 1897. 120 Years of Electronic Music (120years.net). Date: 1907 (original file) Source: This file was derived from: Telharmonium - Scientific American 1907.png: Author: Telharmonium - Scientific American 1907.png: Unknown author; derivative work: Clusternote
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The Oxford English Dictionary (OED) is the principal historical dictionary of the English language, published by Oxford University Press (OUP), a University of Oxford publishing house. The dictionary, which published its first edition in 1884, traces the historical development of the English language, providing a comprehensive resource to ...
Third edition: The Third Edition is available online via Oxford Dictionaries Online, as well as in print. [4] The online version is updated every three months. [5] Oxford Dictionaries Online also includes the New Oxford American Dictionary, Oxford Thesaurus of English, Oxford American Writer's Thesaurus and grammar and usage resources. [6]
The third edition (revised), published in 2008, has 1,264 pages, somewhat smaller than the Concise Oxford English Dictionary, and is distinct from the "Compact" (single- and two-volume photo-reduced) editions of the multi-volume Oxford English Dictionary.