Stewart, Balfour, 1828-1887 · Toronto : James Campbell · leaf 104
fire itself burning at the one focus, andan image of the fire at the other, the image beingsufficiently hot to cook a beef-steak. 70. Bending or refraction of Light. Expe-riment 50.—Put a small, heavy body at the bottom ofa stoneware or pewter jug, and put your eye in such aposition that the side… … rig. 32. small object at the bottom of the water after it leavesthe surface of the water is bent in a different direction,so that you can in fact see it round a corner ; and ifthe small body at the bottom were a httle fish, it couldalso see you. It thus appears that if a slanting ray of light…
Physics
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