Astronomical Chronometer with Tellurium by Louis Deichmann, 1887

L. Deichmann, Geographical Institute, Cassel, Germany. Walnut case with carved decorations, lithographed maps of the northern and southern skies on the sides with the positions of the brightest stars and constellations in frames, door on the right-hand side, printed instructions inside, etched brass dial with Roman numerals, ? 5 in., mechanical pendulum clockwork by Gustav Becker, the clockwork is connected to the mechanism of the tellurium via brass gears, moon and sun represented by small balls, globe with lithographed paper segments on wooden sphere, above paper scales with season, date and signs of the zodiac, under glass dome, overall dimensions 14 ? x 12 ? x 21 2/3 in., in working order (no guarantee on running time or accuracy).

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)