Show new use for the xray X ray interesting experiments have been conducted at and vienna in the tha examination of old portraits with roentgen rays ono one of 0 the curators cura tori of the art museum wed the X rays oo on tin an old madonna portrait and discovered evidence ot of a later to in vienna prof siai max dvorak applied the tame same test to a picture of the mantegna school which had beer been badia disfigured by liter later attempts it at recon ruction st the xray X ray photograph h di als closed perfectly y the tha orl original contow tit the painting |