The Bookshelf for boys and girls Book of Wonders and Curious Things (1912)
University Society, New York · New York: University Society · leaf 91
get it off, the more itstuck the faster. Here we have a picture of anexperiment with an obstinate cork that flies inthe face of any one who tries to compel it to gointo the neck of a bottle. The more you try toblow it in, the more it leaves the bottle. You cantry this with any large bottle and a… … into the bottle, the more forcibly will the corkrush from its place in the neck. Instead of acork, the experiment may be successfully triedwith a small ball of pith, or with one of paper. THE MAGIC TRIANGLE A very interesting experiment may be performedas follows: with a wet lead-pencil point draw…
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