This principle (which Boehme often calls the evil in God) illuminates both sides of the antithesis, and thus contains the possibility of their real existence.
Bottom of the slit; while that of slightly shorter wave-length is refracted upward and illuminates the top of the slit.
The lamp near the eye-end illuminates the field or the wires at pleasure, as well as the position circle of the micrometer and the declination circle; a separate lamp illuminates the hour circle.
The lamp c illuminates the drum-head and also, by reflection, the portions of the position-circle which come under the microscopes d and e.
This literature is especially valuable because it illustrates contemporary Halaka and Haggada, and it illuminates the circle of thought with which Jesus and his followers were familiar; it thus fills the gap between the Old Testament and the authoritative Rabbinical Midrashim which, though often in a form several centuries later, not rarely preserve older material.'
Bourhood of the D lines, is practically undeviated, so that it illuminates only a very short piece of the slit and is spread out into the ordinary spectrum.