Mount Etna otherworldly associations of the great, volcanic mountain of their new home. Mediaevalist Roger Sherman Loomis quotes passages from the works of Gervase of Tilbury and Caesarius of Heisterbach (dating from the late twelfth century) featuring accounts of Arthur's returning of a lost horse which had strayed into his subterranean kingdom beneath Etna. Caesarius quotes as his authority for the story a certain canon Godescalcus of Bonn, who considered it a matter of historic fact of the time of Emperor Henry's conquest of Sicily "circa" 1194. Caesarius employs in his account the Latin phrase "in monte Gyber" ("within Etna") to describe
Etna Furnace (Williamsburg, Pennsylvania) Etna Furnace (Williamsburg, Pennsylvania) Etna Furnace, also known as Mount Etna Furnace, Aetna Furnace, and Aetna Iron Works, is a historic iron furnace complex and national historic district located at Catharine Township, Blair County, Pennsylvania. The district includes five contributing buildings, six contributing sites, and two contributing structures. It encompasses a community developed around an iron furnace starting in 1805. Included in the district is the four-sided stone furnace (1808), gristmill site (c. 1793), canal locks (c. 1832), site of lock keeper's house (c. 1832), aqueduct (c. 1832, rebuilt 1848), two small houses, the ruins of a charcoal house (1808),