Floating Factory

The world is short of bromine, Is this important? Yes, if photography, especially moving pictures, are important. Bromides of silver and potassium are essential to their welfare. Yes, if ethyl motor fluids are important; if certain medical sedatives are important. The world is short of bromine, and the chief sources—salt deposits in Prussian Saxony, brines in Michigan, Ohio, Pennsylvania, West Virginia and Chile —do not bid fair to replenish the supply.

But there is bromine in seawater, about a pound of the heavy brown liquid...

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