Science: Clean Finger-Prints

Expert fingerprinters held a party in Manhattan last week to observe a new, clean method of performing their job. The standard system requires the subject to smudge his thumbs and fingers with printers' ink. messy and hard to remove. The new method utilizes a pad impregnated with a colorless, nonpoisonous chemical compound and a special paper sensitive to that compound. When the subject presses his digits upon the pad, then upon the paper, his prints immediately appear with photographic clarity, his fingers remain clean, less suggestive of wrongdoing.

Joseph Arthur Faurot, 59 and...

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