Show Freaks and Oddities Oddities' In Science News How seismograph Instruments of a new type cheaply constructed and starting automatically to o register only when an earthquake rocks the actual spot pot w where ere they arc are standing are arc being planted at various points in California to SEISMOGRAPHS trap earthquakes when they THAT THA T TRAP happen EARTHQUAKES Although earthquakes have en- en STAND SHOCKS the attention of men for many years and delicate dell deli cate ate instruments have been devised to detect them at ata a distance and tell how far away and how violent they hey are arc strangely enough there has not been until the he present time any instrument that could make a record ecord of an earthquake occurring in the immediate neighborhood They are so 50 delicately built that a 0 strong trong earthquake directly under them would wreck them hem The Thc new instruments are more ruggedly built bum record only relatively large earth movements near nearby nearby by and turn themselves on autom automatically when a 8 quake begins The distribution of these thesa instruments has been undertaken by the federal government largely as a practical aid to engineers and architects in designing and placing buildings so as to avoid earthquake damage damage dam- dam age ago as far as possible The growing congestion of the cities clUes present con con- new problems of physical and mental training of or children on one hand and the growing leisure by jy shortened hours of labor presents increasing problems problems lems ems in provision of opportunity for fOl the proper use of or Increasing leisure for adults President Hoover 1 |