望远镜 - Very, very good condition - 本世纪 - Nautical telescope on adjustable wooden tripod - Antique finish当前出价€4631
Observation binoculars - Alpin 10x40 Grossfeld gummiert made in West Germany | - 1990-2000 - Optolyth当前出价€5738
Telescope on stand - Orion SkyView Pro 8" Equatorial Reflector Telescope - 2010-2020年 - Orion当前出价€26039
Monocular compound microscope - Laboratory Microscope (no lenses) - 1900-1910 - 英国 - J Swift and Son起拍价€14