The Chemical Heritage Foundation released an episode of their award winning podcast Distillations. In this episode, Randy Ruth, formerly of LimeWorks.us, discusses the chemistry behind lime mortar, historic masonry buildings and the ongoing efforts to preserve one of the finest works of notable Philadelphia architect, Frank Furness. The 19th Street Baptist Church located in South Philadelphia has been in a state of disrepair for decades. This episode sheds light on the chemistry behind its construction and the ongoing preparation to save it.
Photos © Sean K Maxwell
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