Stereo Viewer, Stereo Cards and Related Material

1) London Stereoscopic Company. Deluxe stereo viewer for 9 x 18 cm slides and cards, burr-wood veneer, missing focusing device and small section of wood on the rear, otherwise in good condition. With colored slide "Departure of Troops" in Japan, c. 1904, cracks, rare. (3/–) – 2) Early prism handheld viewer for 9 x 18 cm slides and cards, with folding front and 8 early American stereo cards. (3-/3) – 3–6) 4 Brewster handheld viewers for stereo cards of 9 x 18 cm, including Underwood and The "Saturn" Scope. (3/3) – 7) Roses Optik, Stockholm Uppsala. Metal stereoscope. (3-/3) – 8) Underwood stereo cards, 39 genre scenes, 32 of America, 14 of Italy, 15 of Scandinavia and 52 from around the world, usual condition for their age. – And: 9–11) 3 Viewmaster viewers and a box of 40 Viewmaster discs and leaflets.

布雷克拍品等级是为了方便竞买人判断拍卖品的成色而设置的。布雷克等级用1到6级来标注外观和功能的成色，(从非常好到非常差)。 在目录图册里用括号里的2个数字来表示，前一个数字表示外观成色的级别，后一个数字表示功能成色的级别。如(3/2)表示外观成色是3(满意的)，功能成色2(好)。 成色 定义参照下列标准： 1 - 非常好 (未使用过，没有使用痕迹) 2 - 好 (新，极少的使用痕迹) 3 - 满意的 (普通的使用痕迹) 4 - 及格的 (明显的使用痕迹，某个非主要部件是后配的) 5 - 有缺陷的 (极明显的使用痕迹, 某个主要部件是后配的，功能上有缺陷，需要修理) 6 - 非常差 (严重破损, 缺少重要部件)