Page 18 - HP3A 008 The St. Louis World's Fair
P. 18

The Finsen Light could use light



 radiation to treat disease and the




 X-Ray Machine is commonly used



 in  hospitals  and  dental  offices.


















 New forms of  transportation




 were among the most popular   gasoline. In addition to automobiles,



 exhibits at the fair. In the Palace   aviation was also gaining attention




 of  Transportation there was a vast   at the time, despite still being a new



 array of  automobile designs and   concept. There were many different




 models which all used different power   flying machines which also took part



 sources such as electricity, steam, or   in an Airship Contest that had the
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