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source of illumination

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ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.source of illumination - any device serving as a source of visible electromagnetic radiation
device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
lamp - an artificial source of visible illumination
light source, light - any device serving as a source of illumination; "he stopped the car and turned off the lights"
ultraviolet lamp, ultraviolet source - any source of illumination that emits ultraviolet radiation
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Left and far left, one of Coventry's band of gas lamp attendants, with his bicycle and ladder, doing routine maintenance in February 1960; below left, old and new street lamps showing the difference between gas (on right) and electric (on left) in Binswood Avenue, Leamington in March, 1958; below centre, an oil-lamp was the only source of illumination for households before gas & electric lighting; below right, one of the last gas street lamps in Wyke Road, Wyken in February, 1963.
A history of summer time by Coventry Evening Telegraph (England)
The rainbow transmission technique uses a surface print on a plastic film which is then backed by an aluminum mirror-coating to provide the backlight source of illumination ?
A Brief History of Holograms by Big Oak, Inc. / Reference and Education community
This type of equipment gives the user a more spread out source of illumination and a different look compared to the traditional single lamp pole.
Tennis Court Lighting Equipment Supplies by Kimberly Quang / Sports and fitness community
 
 
 
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