Camera Obscura - closed - dng

Photogrammetry captures RAW captures - dng file format Camera obscura in the shape of a large book (closed) Date: circa 1765 Inventory Number: 0010 Classification: Camera Obscura Subject: optics, drawing Attributed to: Benjamin Martin (1704 - 1782) Cultural Region: England Place of Origin: London Dimensions: book closed: 14 x 62.2 x 45.7 cm (5 1/2 x 24 1/2 x 18 in.) Material: wood, glass, felt, calf skin Bibliography: The Apparatus of Science at Harvard, 1765-1800 Description: Camera obscura contained in a case resembling a large folio book, of wood, covered with gilt decorated calf skin. When opened, the book folds out into an open-ended box draped with with a green felt curtain. Adjustable (modern replacement) mirror, convex lens, and bellows extend from the top. Link to catalog record in Harvard University Collection of Historical Scientific Instruments: http://waywiser.fas.harvard.edu/objects/3137/camera-obscura-in-the-shape-of-a-large-book摄影测量原始采集数据——采用DNG文件格式。该藏品为造型仿大型闭合书籍的暗箱（Camera Obscura）：年代约1765年，藏品编号0010，分类为暗箱，研究主题涵盖光学与绘画，归属制作者为本杰明·马丁（1704-1782），文化区域为英格兰，原产地伦敦。闭合状态下尺寸为14×62.2×45.7厘米（即5½×24½×18英寸），材质包含木材、玻璃、毛毡与小牛皮。参考文献：《哈佛大学馆藏科学仪器1765-1800》。藏品描述：该暗箱收纳于仿大型对开书籍的木质外盒，外覆带有烫金装饰的小牛皮。打开后，书籍可展开为开放式箱体，内部悬挂绿色毛毡帘幕。箱体顶部配有可调式（现代替换件）反射镜、凸透镜与皮腔。哈佛大学历史科学仪器馆藏目录链接：http://waywiser.fas.harvard.edu/objects/3137/camera-obscura-in-the-shape-of-a-large-book