Polyorama Panoptique et Diagraphique with all Accessories, 1849

France. Polyorama Panoptique et Diagraphique – the small image viewer for day-and-night metamorphic images in the format 14.4 x 9.7 cm, size of the viewer 16 x 25 cm, height 13 cm, green bellows undamaged, front in mahogany with framed lens with a diameter of 3.2 cm, housing with green decorative paper, the following accessories are available for use in drawing: The original mirror, the original glass plate for placing tracing paper (with original tracing paper from the time with attempts to draw a portrait, the paper acts like a focusing screen) for copying, the original metal screen, the original cover "Papier Végétal Polyorama Panoptique et Diagraphique" (inside the banderole for the tracing paper has been replaced with a copy, the paper inside has also been supplemented) and the instructions for use (good color copy). With 3 day-and-night metamorphic images without cracks with views of Constantinople.

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)