1. Compass Bookmark Museum number: 9-21418 Culture or time period: Manchu people and Qing dynasty (1644–1912 AD) Function: 7.3 Weights, Measures, and Computing Devices Production date: Manchu (Qing) Dynasty Dimensions: Disc (diameter)— diameter 20.4 centimeters, Board— length 23 centimeters, Board— width 2.5 centimeters, and Board— height 23 centimeters Collector: Ilse Martin Fang Collection place: Beijing, Beijing municipality, Northern China Collection date: 1942
2. Scale Bookmark Museum number: 9-21344a-c Culture or time period: Manchu people and Qing dynasty (1644–1912 AD) Object class: Balances (scales) Function: 7.3 Weights, Measures, and Computing Devices Production date: Manchu (Qing) Dynasty Dimensions: Case— length 29 centimeters, Beam— length 25 centimeters, Bowl— width 6 centimeters, and Case— width 7 centimeters Collector: Ilse Martin Fang Collection place: Beijing, Beijing municipality, Northern China Collection date: 1943