id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
40119	Bidwell, Shelford	Curiosities of Light and Sight			.txt	text/plain	27451	1237	65	colours--yellow, green, and blue--correspond respectively to waves of wave-length of the light at the extreme edge of the red is about 1/34000 Wherein, then, does coloured light differ from white? tones of colour--red, orange, yellow, green, blue, and violet. while coloured light consists of rays of one definite wave-length only. eclipse of the violet, blue, and green rays, the colour of the patch will light is no longer white but greenish-blue, as is evidenced by the colour beam of light in which no colour but red can be seen. When white light falls upon a coloured body, it generally blue and yellow is easily effected by the colour-patch apparatus, and the the red and violet moderately; while blue light excites the green and bright red, will appear when held in the blue-yellow light to be of a dark perfectly white, but slightly coloured by diffused red light; owing	./cache/40119.txt	./txt/40119.txt