Scientific amusements . Fig. 29.—Experiment on the Density of Liquids. illustration (Fig, 29). When the wine has trickled downto the line of separation, you will perceive the ruddydfops filtering into the glasses and ascending into theupper one, in consequence of the difference in the densitiesof wine and water., 40 DENSITY, HYDROSTATICS, ETC. THE GRAPE-SEED IN THE CLASS OF CHAMPAGNE. If we place a grape-seed, quite dry, at the bottom of aglass, and fill it with champagne, we shall see the bubblesattaching themselves to the seed, and it will rise to the. Fig. 30.^The Grape-seed in the Glass of
Scientific amusements . Fig. 29.—Experiment on the Density of Liquids. illustration (Fig, 29). When the wine has trickled downto the line of separation, you will perceive the ruddydfops filtering into the glasses and ascending into theupper one, in consequence of the difference in the densitiesof wine and water., 40 DENSITY, HYDROSTATICS, ETC. THE GRAPE-SEED IN THE CLASS OF CHAMPAGNE. If we place a grape-seed, quite dry, at the bottom of aglass, and fill it with champagne, we shall see the bubblesattaching themselves to the seed, and it will rise to the. Fig. 30.^The Grape-seed in the Glass of Champagne. ^ surface of the wine, where the bubbles burst/and the seed will fall to the bottom of the glass seed in this instance has been raised to the surfaceby the aid of the air-bubbles, which play the part of littleballoons in bringing it to the top of the liquid (Fig. 30). HOW TO MAKE A SYPHON WITH A COMMON BOILEDLOBSTER. Take a glass filled with water, and attach a lobster toit, plunge the tail as far as possible into the liquid, letting HYDROSTATICS. 41 the body and head hang over the side of the glass ; it isnecessary also to cut the antennae, so that they shall nottouch the vessel on which the glass of water stands. Themoment that the lobster is hooked on to the edge of theglass, small globules of water will be seen to form at the
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Keywords: ., bookcentury1800, bookdecade189, booksubjectscientificrecreations
