Take No Chances It is easy to be poisoned with impure drinking water. Dis ease germs lurk in every drop. Avoid danger by using The Berkefeld Filter which is made on true scientific princi ples and insures perfectly pure water. Easy to clean and care for. One gallon of pure water in four minutes. Write, scientific american, 1903-01-10

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Take No Chances It is easy to be poisoned with impure drinking water. Dis ease germs lurk in every drop. Avoid danger by using The Berkefeld Filter which is made on true scientific princi ples and insures perfectly pure water. Easy to clean and care for. One gallon of pure water in four minutes. Write, scientific american, 1903-01-10

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