U.S. troops who use electricity in their work can now carry electric power in their pockets. This has been made possible by a new miniature storage battery, announced last week by the Willard Storage Battery Co.
Electricity in such small packages (one model is no bigger than a man's palm) has heretofore been attainable only in weak, short-lived, dry-cell batteries. The new battery combines the compactness of a dry cell with the greater power of a storage battery. It also works much better than the familiar automobile-type storage battery.
Like the latter, the new battery has an electrolytic fluid (sulfuric acid) and is...