(1) The new tower appears in Bayard's photograph of 1851, yet Ruskin's spandrel is just visible - still unscathed.(2) The building service core is a solid, while transparency is achieved through variations in a curtain wall composed of vision, spandrel , and fritted glass.(3) Relief panels containing scenes from the Childhood of Christ filled the triangular spandrels between the gables dominating the screen's facade.(4) On the rear wall is a kind of private chapel, a wall niche framed by pilasters and faced with spandrels with inlaid vegetal ornament, which shelters an altar.(5) About 1,100 glass panels, including windows and spandrels , were blown out.
