Decimated 3D models in formats: .obj (with .mtl and .jpg), .x3d (with .jpg), and .glb (glTF) Camera obscura in the shape of a large book 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