“Waves from moving sources: Adagio. Andante. Allegro moderato.”
Electromagnetic Theory (1912), Volume III; p. 1; "The Electrician" Pub. Co., London. Full Text http://www.archive.org/details/electromagnetict03heavuoft.
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Oliver Heaviside 8
electrical engineer, mathematician and physicist 1850–1925Related quotes

Effects.
Poetry quotes, New Thought Pastels (1913)
Source: Management Science (1968), Chapter 4, An Alphabet of Models, p. 108.

Notes Toward a Supreme Fiction (1942), It Must Be Abstract
“Don't make waves, move smoothly without disturbing things.”
Power : How To Get It, How To Use It (1976)

New York Daily News (2000)

1979

gq-magazine.co.uk http://www.gq-magazine.co.uk/entertainment/articles/2011-02/01/gq-film-norman-foster-how-much-does-your-building-weigh-interview.

Alternate translation: The voice is a flowing breath, made sensible to the organ of hearing by the movements it produces in the air. It is propagated in infinite numbers of circular zones, exactly as when a stone is thrown into a pool of standing water countless circular undulations are generated therein, which, increasing as they recede from the center, spread out over a great distance, unless the narrowness of the locality or some obstacle prevent their reaching their termination; for the first line or waves, when impeded by obstructions, throw by their backward swell the succeeding circular lines of waves into confusion. Quoted by Ernst Mach, The Science of Mechanics: A Critical and Historical Account of its Development (1893, 1960) Tr. Thomas J. McCormack
Source: De architectura (The Ten Books On Architecture) (~ 15BC), Book V, Chapter IV, Sec. 6