exhibiting art in georgian ireland. [cml_media_alt id\u003d\u00273858\u0027]sarah dscn1932[/cml_media_alt]. the painting . oil painting portrait conservation of polychrome painting on canvas during . the landscape painting becomes more visible when the canvas is positioned horizontally clouds are visible. beth heller conservation. painting of a horse, partially cleaned. figure 1 detail of the crucifixion rabbula gospels florence, biblioteca medicea-. share via. \”you can\u0027t be half a saint;but a whole saint or no saint at all\”. religious paintings.