Science: Fireworks

U. S. fireworks manufacturers last week estimated that U. S. citizens would set off some $4,000,000 of firecrackers, sparklers, roman candles, skyrockets, aerial bombs, pinwheels, squibs, flares, torpedoes, etc. etc. in celebration of Independence Day 1930; in the good old days, a $4,000,000 Fourth of July would have been a very sad Fourth indeed. Fireworks men mourn the time when a piece of punk in the outfield of a baseball park would bring to life a fire portrait of "Theodore Roosevelt, Our President" and cause great huzzahs to shake the bleachers.

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