19 The Annunciation retable The boards are mechanically sawn, with the reverse left rough and the front jack planed and smoothed. The structure is conceived as a system of eight separate box-like elements to be assembled in situ, the two pedestals, the predella, the columns, and the entablature with the two parts of the broken pediment, all of which form separate entities. They are currently not connected to each other. However, there are traces that indicate Fig. 16: Front of predella, detail; condition before treatment Fig. 18: Complete view of entablature and predella; condition before treatment (digital composite) Fig. 17: Lozenge at the projecting side of the predella; condition before treatment
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