. The art of landscape gardening. blue, purple, or almostviolet, according as the orange light contains more or less red;and vice versa. 5. And lastly, the shadow of a body which intercepts yellowlight will be purple, and vice versa. 6. The phenomena just mentioned may be exhibited in sev-eral ways. The weak white light may always be had in a darkroom, either by admitting a small portion of daylight or bymeans of a small lamp or wax taper, the light of which issufficiently white for the purpose; and in regard to the strongcoloured lights, they are also easily procured, either by using 24-6 Not
. The art of landscape gardening. blue, purple, or almostviolet, according as the orange light contains more or less red;and vice versa. 5. And lastly, the shadow of a body which intercepts yellowlight will be purple, and vice versa. 6. The phenomena just mentioned may be exhibited in sev-eral ways. The weak white light may always be had in a darkroom, either by admitting a small portion of daylight or bymeans of a small lamp or wax taper, the light of which issufficiently white for the purpose; and in regard to the strongcoloured lights, they are also easily procured, either by using 24-6 Notes transmitted or reflected light of the particular colour candles and lamps are always at hand and solar rays not so,I will here briefly describe the method of shewing any one,and, consequently, all, of these beautiful experiments by candle-light. 7. L, M, N, o [in Fig. 27] is a piece of white paper, illum-ined as in the figure; d is a small cylinder of wood, as a black A smaU #A| A taper burn- ?^^>^*Sf;^ing clear.
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Keywords: ., bookauthorreptonhumphry17521818, bookcentury1900, bookdecade1900
