A system of natural philosophy, designed for the use of schools and academies (1845)
Moffat, J[ohn] M. [from old catalog] · Philadelphia, E. C. Biddle · leaf 388
ours? What is the efficient cause of colours ? How is this proved ? What is the true definition of colour ? What relation has colour to refraction ? How is the influence of refraction best exhibited ? CAUSE OF COLOURS. 385 the eye, the objects seen through it will not be doubled, as whenviewed… … White 161. The dissection of a ray of solar light into different colours,6y refraction, may be more accurately displayed by admitting aray through an aperture in a window-shutter into a darkened cham-ber, and causing it to fall on a diaphanous prism A B C, as re-presented in the preceding figure. A…
Physics
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