University Museum Philadelphia - 90 Foot Dome Span by R. Guastavino Co. – 1915

Construction - University Museum Philadelphia - 1915
(Public Domain)

Catalogue of the architectural exhibition by the T Square Club - 1915

http://www.npr.org/2013/04/29/179255482/how-one-family-built-americas-public-palaces?utm_campaign=storyshare&utm_source=facebook.com&utm_medium=social

http://en.wikipedia.org/wiki/Rafael_Guastavino

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