Shots from the field—e.g., archive, library, museum, workshop. Gun inscribed with "Chosŏn" presumably used in the East Asian War of 1592–1598, gifted by Toyotomi Hideyoshi to Horio Yoshiharu, MET Museum Lixivation vats, 19th century Japan Map of Beijing, copied by a Korean painter, 19th century, National Library of Korea Niter bed in Germany, 1580, Bavarian State Library Ivory scaphe dial made by officer-manager Kang Yun (姜潤, 1830–1898). History of Science Museum, Oxford, England. Drawing of an Elephant, National Museum of Korea World map with Aristotelian celestial spheres, 19th century, National Library of Korea Depiction of a "Westerner," National Museum of Korea Korean Map of Japan (19th century), National Library of Korea, 2019 Disassembled Malaysian gun lock, home workshop, 2019 Map of East Asia, 19th century, National Museum of Korea Shown are mechanical clock and eyeglasses among others, Portrait of Yi Haŭng (1820–1898), Painted in 1869, Ink and color on silk, Seoul Museum of History. Astrolabe made for Yu Kŭm (柳琴, 1741–1788), Sirhak Museum, 2018 Chosŏn (also note the crab), Korean Map of Japan (19th century), National Library of Korea, 2019 Dutch & Chinese ships, Korean Map of Japan (19th century), National Library of Korea, 2019 Portrait of Yi Sam (李森, 1677–1735), Ancestral home, Nonsan, 2018 Garrison Records, Changsŏgak Archives, Seongnam, 2018 Measuring bores, National Museum of Korea, 2018 Disassembled Korean musket barrel, home workshop, 2019 Stone staircase, Chichen Itza, 2011 Temple, Chichen Itza, 2011 Rare nanyin music score, Quanzhou, 2011 Scrapbook, Kyujanggak Archives, 2014 Turtle-shaped stone with inscriptions, Kŏchang, 2012 Steles, Qingjing Mosque 清淨寺, Quanzhou, 2011 Chosŏn Military equipment, Museum of Ethnology, Leiden, 2018 Chosŏn diplomatic envoy to Japan, Tsushima, 2013 Korean pine transplanted by Japan-raised Kim Yŏch'ŏl (金如鐵, aka Wakita Naokata 脇田直賢, 1585–1660), Gyokusen-en, Kanazawa, 2014 Ivory diptych sundial, by Leonhart miller (Nuremberg, c. 1636), Harvard Science Center Museum, 2019 Ottoman cannon captured by the Portuguese, Lisbon, 2018 Ceylon barrel, 16th cent., welded breech with tang, Lisbon, 2018 Prototype of a powder milling machine by the Bacarena shop, Lisbon, 2018 Portuguese clay pot bomb, Harvard Houghton Library, 2018 Stone inscriptions, Sillok archive of T'aebaek Mountain, 2018 Architectural plan for the Robust and Brave Guards (1799), Janseogak Archives, 2018 Gunpowder flask (adapted from Chinese porcelain), Fuerte de San Diego, Acapulco, 2017 Scholar’s Studio behind a Leopard Skin Curtain (19th century), Ink and color on paper, Leeum, Samsung Museum of Art Pocket compass and sundial, Science museum, UK Disassembled Korean musket, author's collection Jade seal made by Ch'oe Ch'ŏnyak, 18th century, National Museum of Korea