...too much or too little light ; nor yet with long application. My observations began with the solar spectrum, or coloured image of the sun, exhibited...namely, red, orange, yellow, green, blue, and purple. Newton, indeed, divides the purple into indigo and violet; but the difference between him and others...

...investigation : ,, ' My observations began with the solar sprflrum, or coloured image of the sun, exihibittd in a dark room by means of a glass prism. I" found that persons in general distinguish six kinds ot colour in the' solar image; namely, red, orange, yellow, green, blue, and purple. Newton, indeed,...

...sprFtrum, or coloured ¡magi of the sun, exihibited in a dark room by means of a glass prism. I fr.iind that persons in general distinguish six kinds of colour in the solar imnge | namely, ;•«/, orange, уе/'очи, grern, blue, and purplti Newton, indeed, divides the...

...and the result is fully detailed in the Memoirs. " My observations," says he, " began with the solar spectrum, or coloured image of the sun, exhibited...namely, red, orange, yellow, green, blue, and purple. Newton, indeed, divides the purple into indigo and violet ; but the difference between him and others...

...a perusal of it. 2 Enclyc. Metrop. Article Light, p. 434. 3 Letters on Natural Magic. 3832. P. 31. colour in the solar image, namely, red, orange, yellow, green, blue and purple. Newton, indeed, divides the purple into indigo and violet ; but the difference between him and others...

...yet with long application." * Memoirs of the Philosophical Society of Manchester. Vol. V., p 28. " I found that persons in general distinguish six kinds...namely, red, orange, yellow, green, blue, and purple. To me it is quite otherwise ; I see only two, or at most three, distinctions; these I should call yellow...

...too much or too little light ; nor yet with long application. " My observations began with the solar spectrum, or coloured image of the sun, exhibited...by means of a glass prism. I found that persons in who console themselves with being perfectly endowed — the colour-blindness exists ? He professes...

...investigation of the subject, assisted by a friend. My observation began with the solar spectrum, or colored image of the sun, exhibited in a dark room by means...found that persons in general distinguish six kinds of color in the solar image ; namely, red, orange, yellow, green, blue, purple. To me it is quite otherwise...

...investigation of the subject, assisted by a friend. My observation began with the solar spectrum, or colored image of the sun, exhibited in a dark room by means...found that persons in general distinguish six kinds of color in the solar image ; namely, red, orange, yellow, green, blue, purple. To me it is quite otherwise...

...said of his own sense of color, " My observation began with the solar spectrum or colored image cf the sun, exhibited in a dark room by means of a glass...found that persons in general distinguish six kinds of color in the solar image; namely, red, orange, yellow, green, blue, purple. Color Blindness. " That...