The boy's own book of indoor games and recreations : a popular encyclopædia for boys (1890)
Stables, Gordon, 1840-1910, Hutchison, George Andrew, 1841-1913 · Philadelphia : J.B. Lippincott · leaf 490
e cro\Mi of the balloon,the other to manage the flamedepartment—to do what engineerswould call the stoking (Fig. 8). The spirit, you will remember, is not to be burned loosely, but absorbed bysomething or other. Sponge is the absorptive medium usually employed, thoughsome operators use cotton wick.… … Fis:. 8.—CHAMBER TRIAL OF THE BALLOON. 486 FIRE-BALLOONS AND GAS-BALLOONS. of * slate sponge, and generally for a penny, will do quite well for the chamberexperiment. Let me now give you boys a piece of advice, and do not consider it of smallvalue. It is of enormous value, being the value of the…
Games · Amusements
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