Show danber DAN SER IN ROEN GEN RAYS an experimenting engineer lose five of H ilia Is fancer F 1 n ger nails A warning has been voiced by one of the leading english medical journals Journ als in regard to the too frequent use of the roentgen ray apparatus says the philadelphia ledger it is interesting no a series of photographs of ones own skeleton but it if this Is to be at the expense of such trifles RS as onea hair and ones finger nails it seems hardly worth the cost one electrical engineer who has often demonstrated the neau ty of his finger bones by placing one of hi hands bands within the radius of the searching rays has lost all the nails from the fingers of that hand while mr sidney rowland who is one of the lending leading experimenters in this direction mentions several cases of similar character in the structural changes that occur il in the hair and so forth of those kho ho have been frequently shadow graphed by this method thus in abe case of patients whose bose w heads have been subjected to the influence of the rays the hair has bas either turned white or has fallen out entirely it is suggested that these results are due to ibe the electrical potency of what are called the ultraviolet ultra violet rays of the spectrum though their precise action Is at pres fit liy by means thoroughly under stoa sumal one ap furious curious suggestion has already bai made it is a well known sup ermi tiou and one which has existed for that people who eleen bleep in the direct rays of the moon have hate their reason more or less seriously affected now it is said that these ul tra violet rays exist in the moo moonlight alight e and henc bene a popular superstition may le be founded upon scientific fact |