Star-land : being talks with young people about the wonders of the heavens (1891)
Ball, Robert S. (Robert Stawell), Sir, 1840-1913 · London ; Paris : Cassell & Co. · leaf 350
nd give a push to the canvas, and Stars. 335 you see a beautiful ring flying across the room, another ringand another follows. If you were near enough to feel thering you would experience a little puff of wind ; I canshow this by blowing out a candle which is at the other endof the table. These… … Fig. 86.—How to make the Smoke-Kings. hurriedly after the first we can produce a collision, and yousee each of the two rings remains unbroken, though both arequivering from the effects of the blow. They are beauti-fully shown along the beam of the electric lamp, or, betterstill, along a sunbeam. We…
Astronomy
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