The World Book

The World Book

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Procure a wine glass or small tumbler, a small bar magnet, a small quantity of mercury (quicksilver) , an electric cell and several pieces of wire. Small copper wire for the b a 1 1 ery connections is the best. The other FIGURE 1 Explanation ofanbsp;...

Title:The World Book
Author:Michael Vincent O'Shea, Ellsworth Decatur Foster, George Herbert Locke
Publisher: - 1918


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