材质 :Black chalk, pen and brown ink 尺寸 :21 × 14.2 cm
《基督与羔羊的孩子》(recto),一位老人的头,以及《机械研究》(verso)(1503-1506)-达芬奇
英文名称:Studies for the Christ Child with a Lamb (recto), Head of an Old Man, and Studies of Machinery (verso) (1503-1506)-Leonardo da Vinci
材质 :Oak veneered with mahogany, kingwood, and tulipwood, with marquetry of mahogany, rosewood, holly, and various other woods, gilt-bronze mounts, imitation Japanese lacquer, replaced silk 尺寸 :69.9 × 5.7 × 46.7 cm Design\\\\u002FDecorative Art
机械工作台(约1761-1763年)-让-弗朗索瓦·奥本,罗杰·范德克鲁斯·拉克鲁瓦
英文名称:Mechanical table (ca. 1761–1763)-Jean-François Oeben, Roger Vandercruse Lacroix