■Research and Restoration■ Research Since the latter half of the 20th century, optical instruments have been utilized in the research for painting restoration. X-rays, infrared rays, ultraviolet rays, etc., clarify techniques and materials of art works. Examination of painting Paintings are examined and photographed daily in the Conservation and Restoration Techniques Division. ・Shiba Kokan, 　TAKAHASHI Yuichi ・Harvest, ASAI Chu ・Kawakami Togai, 　KOYAMA Shotaro ・Woman(in the Kitchen), 　KURODA Seiki ・Farmer Returning in the Late Evening, 　KOBAYASHI, Mango ・Research ・Restoration		Examination of painting, left : condition checking left below: examination by an infrared vidicon camera　 right: taking photograph