His mother was Mary Emma Corliss, whose uncle, George Henry Corliss, built the Centennial Engine that powered the 1876 Centennial Exposition in Philadelphia.
At the Centennial Exposition in Philadelphia, 1876, an elaborate cast iron fountain, 25 feet tall, was exhibited by the company.
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His efforts paid off in 1876 when he won a medal and certificate "for fine Merino ram wool" at the Centennial Exposition in Philadelphia and in 1878 when he won recognition for his wool at the Exposition Universelle in Paris.
Co's 2007, Orlando, Florida, SHOT Show exhibit, which recalled an exhibit displayed at the 1876 Philadelphia, PA Centennial Exhibition in the same month George Armstrong Custer perished at Little Bighorn.
"In the summer of 1876, but without remitting in executive duties pertaining to the Coast Survey office, Mr. Hilgard acted as one of the judges on scientific and mechanical apparatus at the Centennial Exposition at Philadelphia.
; 1905 : Lincoln Beachey pilots the dirigible Gelatine from the grounds of the 1905 Lewis and Clark Centennial Exposition on the shores of Guild's Lake in Portland, Oregon to Vancouver Barracks in the first aerial crossing of the Columbia River.