Worlds Fairs
<p class="default"><span style=" font-size: 8pt; color: #000000; font-family: Arial;">1876 Philadelphia (Centennial)</span></p>
<p class="default"><span style=" font-size: 8pt; color: #000000; font-family: Arial;">1893 Chicago</span></p>
<p class="default"><span style=" font-size: 8pt; color: #000000; font-family: Arial;">1901 Buffalo</span></p>
<p class="default"><span style=" font-size: 8pt; color: #000000; font-family: Arial;">1904 St. Louis</span></p>
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