Scientific amusements . Fig. Qi.—Birds in an Aquarium. NATURAL SCIENCE IN THE COUNTRY. I5 screen, with meshes wide enough to adniit ^ir to the birds,and finally place,pots of flowers around the grill to em-bellish it. Place the aquarium glass thus prepared on apedestal or rest suitable to your apartment, and when allis ready introduce gold and silver fish - into the melon-glass and a pair of birds into the cylindrical vase withinit. The flowers will close the mouth of the glasses, soyou will possess an aquarium, aviary, and garden in one ;. Npcklace of Nuts suspended by Hairs. and also produce
Scientific amusements . Fig. Qi.—Birds in an Aquarium. NATURAL SCIENCE IN THE COUNTRY. I5 screen, with meshes wide enough to adniit ^ir to the birds,and finally place,pots of flowers around the grill to em-bellish it. Place the aquarium glass thus prepared on apedestal or rest suitable to your apartment, and when allis ready introduce gold and silver fish - into the melon-glass and a pair of birds into the cylindrical vase withinit. The flowers will close the mouth of the glasses, soyou will possess an aquarium, aviary, and garden in one ;. Npcklace of Nuts suspended by Hairs. and also produce a curious effect, as the birds will be seenliving apparently in the water with the fishes. We can also produce a still more surprising effectas shown in Fig. 90. A balloon-glass is reversed ihto anordinary glass aquariunl vase. The neck of the innervase, sufficient to admit air, is concealed at the foot of theaquarium by plants and by the opaque base, which Il6 NATURAL SCIENCE IN THE COUNTRV. seems to support the globe. When the water and theglass are clear the illusion is perfect. A COLLAR OF NUTS. If we closely examine a nut we shall perceive clearlysome inequalities on its surface which look like littlecavities. Not only are they cavities, but they also cor-respond to small excavations which traverse the nutwithin—little tunnels, in fact. If you scratch the super-ficial cavity with a penknife you will open up the entranceto the little tunnel, and you will be able to pass a hairthrough it, fastening it by its root, which will n
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Keywords: ., bookcentury1800, bookdecade189, booksubjectscientificrecreations
