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Image ID: 278
Title:The glass melting furnace in the Bryn Athyn glass factory
Source:Raymond and Mildred Pitcairn Archives, Bryn Athyn, PA
Description: Nearly all of the stained glass and mosaic created for Bryn Athyn Cathedral and Glencairn was melted in this furnace, built in the glass factory out of hardened fire brick. Most glass was fired at a temperature of roughly 1600F.