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Feb. 29 This Gun For Wire - The pose may look ominous, but there is nothing foreboding in what Betty Jane Fleming of Bell Telephone Laboratories is doing. She's demonstrating a Bell Labs-developed gun-like device that makes it easier to find leaks in overhead telephone cables from the ground. The gun is actually a reflector attached to a microphone that can hear a high-frequency hiss generated when pressurized air escapes through leaks in a cable's sheathing

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Actually Cables Demonstrating Doing Easier Escapes Fleming Foreboding Hear Hiss Laboratories Leaks Nothing Ominous Overhead Pressurized Reflector Sheathing

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