For fair use/education reproduction, please provide the following credit: “This image is part of: John Engelhart. (1987). Geometry in Our World. Reston, VA: National Council of Teachers of Mathematics.” See also: http://soda.sou.edu/copyright.html
35 mm color slide
JPEG2000 image (derived from TIFF)
Scanned at 2400dpi with Epson Expression 10000XL. Uncompressed Tiffs optimized with Adobe Photoshop CS4. Master File Format: Tiff, 24-bit RGB color.