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Definition of Source of illumination
1. Noun. Any device serving as a source of visible electromagnetic radiation.
Specialized synonyms: Lamp, Light, Light Source, Ultraviolet Lamp, Ultraviolet Source
Lexicographical Neighbors of Source Of Illumination
Literary usage of Source of illumination
Below you will find example usage of this term as found in modern and/or classical literature:
1. Appletons' Annual Cyclopædia and Register of Important Events of the Year (1870)
"... but also that the exaggeration of light and shadow, which has prevented tnc
electric light from being generally adopted as a source of illumination iu ..."
2. Wilson's Photographic Magazine (1902)
"The most convenient and satisfactory source of illumination is from an electric
light. In my apparatus a six- teen-candle-power lamp is placed behind each ..."
3. Journal by United States Congress Senate (1895)
"Advocates of the first opinion are correct for distances np to the point x (which
becomes infinitely distant when the source of illumination becomes ..."
4. Transactions of the American Ophthalmological Society Annual Meeting by American Ophthalmological Society (1871)
"Passing now to the third condition, the size of the source of illumination, we
find that we may reduce the breadth of the flame at will, provided this has ..."
5. Diseases of the eye by George Edmund De Schweinitz (1916)
"Even more satisfactory results are obtained if the source of illumination is a
narrow beam of electric light obtained, for example, ..."
6. Diseases of the Ear: A Text-book for Practitioners and Students of Medicine by Edward Bradford Dench (1919)
"Diffuse daylight or light from a white cloud forms a very perfect source of
illumination, but naturally can not always be obtained. I am in the habit, ..."
7. Ophthalmology and Ophthalmoscopy: For Practitioners and Students of Medicine by Hermann Schmidt-Rimpler, Daniel Bennett St. John Roosa (1889)
"Source of Illumination. An oil, petroleum, or gas lamp, provided with a chimney,
is generally used for ophthalmoscopic purposes. According to the color of ..."
8. The Monthly Microscopical Journal: Transactions of the Royal Microscopical (1870)
"With one or the other of these artificial lights as a source of illumination, I
have prepared a considerable number of negatives of interesting ..."
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