A river gunboat, Changde, Hunan, China, 1901

"A river gunboat, a common sight on China's waterways in Imperial days. (This was the gunboat that escorted the Logans on the houseboat in 1901). Note cannon on the bow, and captain's cabin on the stern. At night the crew was sheltered by a striped blue-and-white tent-like canopy held up by their shipped oars. During the night, one member of the crew manned the drum, which beat out the watches during the night - a comforting, if occasionally disturbing, sound to travelers anchored nearby for the night."; Captions for this set of lantern slides from the papers of Oliver and Jennie Logan, American Presbyterian missionaries in Hunan, were provided by their daughter Elsa.清末帝制时期，内河炮艇是中国河道上的常见景象。（1901年，正是这艘炮艇护送洛根一家的房船出行。）请注意其船头搭载的火炮与船尾的舰长舱室。入夜后，船员们会用收纳起来的船桨撑起蓝白条纹的帐篷状遮阳篷，以此遮蔽休憩。夜间会有一名船员值守更鼓，以击鼓方式报更——对于当晚锚泊在附近的旅人而言，这声响既令人安心，偶尔也会扰人清梦。这套源自美国驻湖南长老会传教士奥利弗与珍妮·洛根夫妇档案的幻灯幻灯片，其说明文字由他们的女儿埃尔莎提供。