The Encyclopedia Americana: The International Reference Work, Volume 7Americana Corporation, 1962 - Encyclopedias and dictionaries |
From inside the book
Results 1-3 of 57
Page 308
... blue and blue - green lights ; and red and violet lights add up to give lights of various purple hues . Daylight may be matched by a sum of red , green , and blue ( or violet ) lights . Once it is known what amounts of the pri- maries ...
... blue and blue - green lights ; and red and violet lights add up to give lights of various purple hues . Daylight may be matched by a sum of red , green , and blue ( or violet ) lights . Once it is known what amounts of the pri- maries ...
Page 312
... blue produces various shades of bluish - green , and the combination of red and blue produces various shades of magenta and purple . 1 2 3 5 CYAN BLUE MAGENTA GREEN YELLOW RED Fig . 2. Superimposed color filters yield mixture colors by ...
... blue produces various shades of bluish - green , and the combination of red and blue produces various shades of magenta and purple . 1 2 3 5 CYAN BLUE MAGENTA GREEN YELLOW RED Fig . 2. Superimposed color filters yield mixture colors by ...
Page 327
... blue - green algae the chlorophyll is augmented by the proteinaceous pigments phycoerythrin and phycocyanin ; these plants are normally not green , but various shades of red , blue - green , and purple . Anthoxanthins and Anthocyanins ...
... blue - green algae the chlorophyll is augmented by the proteinaceous pigments phycoerythrin and phycocyanin ; these plants are normally not green , but various shades of red , blue - green , and purple . Anthoxanthins and Anthocyanins ...
Other editions - View all
Common terms and phrases
American appeared army became began blue British called cause cent century chief Church Civil clay Cleveland coal coast coke collection College colonies color Colorado command commerce Company continued Department early East effect elected England English established federal feet forces four France French History House important increased Indian industry Island Italy John June known land later light Lignite London manufacturing March means ment miles mines natural North operation organized original period plants practice president published railroad region result River served ship South studied temperature term tion tons town trade Union United University usually various West York