[Gottfried Silbermann] returned to Saxony as a master craftsman in 1710, and opened his own organ workshop in Freiberg one year later.
Its use as the figure of the universe, of creation developing in evolution is found in various stylized representations in virtually every religious system of antiquity, whether of eastern or western derivation.
That thought model, which perfectly reflects the essence or “spirit” of the Absolute fits the Christian metaphysical description of the Holy Spirit.