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Show Look Through Walls and : Floors With New X-Ray Schenectady. X-ray machines by means of which one may look through BoIId walls and floors as easily as a surgeon or dentist now examines subcutaneous sub-cutaneous parts of his patient's' body have been perfected. The Inventors are Dr. W. D. Coolidge and his associates asso-ciates In the research laboratory of the General Electric company here. The new apparatus, : confined. In a box 7-by 8 by 10 Inches and weighing only 30 pounds' Is expected to prove of great value, especially to plumbers, building contractors, electricians and Jewelers. To use the device It will only be necessary to connect nn ordinary ordi-nary extension cord to the nearest lamp socket or base plug of the household house-hold lighting system. Hereafter, the Inventors say, the man who wishes to hang a picture on the wall and doesn't know where to find a solid place to drive a nail will not have to ruin the wall before finding find-ing the right spot. The new machine may also prove e nemesis to smug- 1 ' glers. By snooping the rays through precious stones the jewelers would easily be able to, determine Jhe genuineness genu-ineness of any Jewel. |