Spire spires were an astounding architectural innovation, beginning with the early fourteenth-century spire at Freiburg Minster, in which the pierced stonework was held together by iron cramps. The openwork spire, according to Robert Bork, represents a "radical but logical extension of the Gothic tendency towards skeletal structure." The organic skeleton of Antoni Gaudi's phenomenal spires at the Sagrada Família in Barcelona represent an outgrowth of this Gothic tendency. Designed and begun by Gaudi in 1884, they were not completed until the 20th century. In England, "spire" immediately brings to mind Salisbury Cathedral. Its 403-foot (123-m) spire, built between 1320 and 1380,
St Saviour's Cathedral, Goulburn as required, with a mass brickwork backing making up the rest of the wall. This dry press brickwork was to be laid integrally with the stonework in garden bond. The spire is yet to be completed. The spire remains an unfinished work. The Cathedral building is made of sandstone from a quarry at Marulan, except for the pillars which are of Pyrmont sandstone. The roof is natural slate. The Cathedral is unmistakably a Blacket church, on a grand scale, with nave, aisles, transepts, chancel, porches and tower. It has large and elaborate stone traceried windows and an impressive interior with