A page of "The Illustrated Regulations for Ceremonial Paraphernalia of the Present Dynasty", an illustrated manuscript commissioned by the Qianlong Emperor (r.1736-1795). The book consists of six parts - ceremonial vessels, scientific equipments, dress, musical instruments, insignia, and weaponry, containing more than 1300 leaves of illustrations and explanatory texts. The page shows an explanatory text about the Summer Court Caps worn by the Imperial concubines of the first rank. The text is arranged in seven columns.