"Spectrum analysis" Quotes from Famous Books
 ... experimenting with light itself, with colours not tangible, they found out that red, green, and violet were the three primary colours; but neither of these would do for the dandelion. Once upon a time I had taken an interest in spectrum analysis, and the theory of the polarisation of light was fairly familiar; any number of books, but not what I wanted to know. Next the idea occurred to me of buying all the colours used in painting, and tinting as many pieces of paper ...
— Field and Hedgerow • Richard Jefferies |
