The whole plan is drawn from three centres, the outer portion of the curves being arcs of a larger circle than the one used for the central portion; the complete circle of the orchestra is marked by a sill of white limestone, and greatly enhances the effect of the whole.
The difficulty and novelty of his task enhances our sense of his power.
The proved accuracy of detail elsewhere, as in his narration of events which he witnessed in company with St Paul, enhances our general estimation of his work.
Sixt took a considerable part in this movement, a fact that greatly enhances the value of his book.
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