| |
Jazz Age Chicago--1933 Century of Progress Exposition |
 | | Another delved into the realm of atomic physics by examining the behavior of cathode rays in vacuum tubes. |
 | | The Electrical Building bedazzled visitors with colorful demonstrations on neon gas lighting, while the Travel and Transport Building explained recent innovations in the automobile and aviation industries. |
 | | The main purpose behind these exhibits was to educate the public as to the benefits of scientific research and technological discovery. |
| chicago.urban-history.org /evt/evt03/evt0300.shtml (1839 words) |