图片文件尺寸: 1722 x 3144px
基因组分析的新计算方法-美国国立卫生研究院
~ New computational methods for genome analysis (1991) --National Institutes of Health (美国艺术家, 1887-)
材质 :Silverpoint, partly reworked by the artist with pen and dark brown ink on pink prepared paper, lines ruled with metalpoint (recto); pen and brown ink (verso) 尺寸 :19.4 × 16.2 cm Drawing, Collage or other Work on Paper
圣母崇拜基督之子的作曲草图,带或不带婴儿圣约翰浸信会;透视投影图(recto);轻微涂鸦(verso)(1480-1485)-达芬奇
英文名称:Compositional Sketches for the Virgin Adoring the Christ Child, with and without the Infant St. John the Baptist; Diagram of a Perspectival Projection (recto); Slight Doodles (verso) (1480–1485)-Leonardo da Vinci