- 1957 Radio Telescope At Dwingelo With 25m ReflectorOpens in a new window or tab二手HK$ 48.72barrelorgan (35,008) 99.8%+HK$ 58.46 運費所在地: 英國
- 1860 4pg Letter from Thomas Romney Robinson Armagh Observatory to JFW HerschelOpens in a new window or tabHK$ 3,123.87ivymontcpa (5,952) 100%原價: HK$ 4,662.50 33% 折扣+HK$ 242.06 運費所在地: 美國