The Archive · 1936

Scientific Methods of Crime Detection

(A special article on this subject was published in the news section of this paper on July 5)

By means of enlarged photographs, the many points of difference be we designs. on the corks ofa genuine whisky wattie (above) anda Taked bottle (below), 'A special apparatus is used for the minute comparison auch artiees as bullet. The upper picture. shows ate bullets, and the lower picture the sume bullets after being "cut in half" and' joined together Photographically iby ithe machine, showing that they 2 of the same pattern, The, ultraviolet ray apparatus photographed above is used for the detection of writing which has been chemi= cally erased, There, are ye types of Angerprinis, the Are being Second the "loop" opening to the lett, the third the jeep" opening to the right, the fourth the "elrele" ahd the ifn tne Seshaped peine The five different patterns can be clearly distinguished in "Shanghai," occurring in three separate letters, is photographed and enlarged, this. being compared with the same word typed this photograph. for typewriter test purposes.

Text read from the printed page and cleaned; old type leaves the occasional error.

Your account