History of District Heating in the United States

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1876 Centennial Exposition, Philadelphia, Pennsylvania


The Centennial--balloon view of the grounds	Machinery Hall from Official Catalogue, Department of Machinery, Page 11.

1876 The Centennial Exposition opened in Philadelphia Fairmount Park on May 10, 1876 and closed on November 10. Steam engines in the Machinery Hall were supplied from four boiler plants adjacent to the building.

References
1876 International Exhibition, 1876: Official Catalogue, Department of Machinery
Page 11: Diagram of Machinery Hall showing external boiler houses.