The young folk's cyclopædia of games and sports ; (1899)
Champlin, John Denison, 1834-1915, Bostwick, Arthur Elmore, 1860-1942, joint author · New York, H. Holt and company · leaf 275
thatcold air, being heavier than warmair, flows into the warm room alongthe floor, and forces the warm airout at the ceiling. Instead of acandle flame, smoke from what iscalled touch paper may be usedto show the direction of the currents.Touch paper is made by dipping un-glazed paper in a solution… … Experiment 2. In one hole stand a candle cut tosuch a length that it will projectabout half an inch above the top.Light the candle, and then hold burning touch paper over the otherlamp-chimney. The smoke, insteadof rising, will go down one chimney,and after it has filled the box willrise through…
Games · Sports · Card games
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