WebDescription (Brief) This patent model demonstrates an invention for crystallotypes, textured printed surfaces made from crystalline surfaces, which were used for security printing; … Web[crystallotype—ed.]. Mr. Whipple purchased the American patent, and sought to introduce it into this country. He worked the process himself quite successfully, making some very good pictures of large size. He relinquished it, however, when the excellency of the collodion film was manifested.

Harvard University - Red Book Yearbook (Cambridge, MA)

WebChromolithography is a color lithographic technique developed in the mid-19th century. The process involved using multiple lithographic stones, one for each color, to yield a rich composite effect. Oftentimes, the process would start with a black basecoat upon which subsequent colors were layered. Webrefers to experimental processes that did not reach the market, even though they may have been patented, reported in the literature, or publicly exhibited. Authenticated specimens are in several cases uncommon, but some were widely reported and used. Uncoated paper amphitype Not commercial. imitation pearl stud earrings

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WebHarvard University - Red Book Yearbook (Cambridge, MA), Class of 1938, Cover E-Yearbook.com has the largest online yearbook collection of college, university, high school, middle school, junior high school, military, naval cruise books and yearbooks. Search and browse yearbooks online! WebAttempts have been made to produce crystallotypes by spreading on the surface of a metal plate a solution of sulphate of magnesia or other crystallizable salt, then taking an … http://daguerreotypearchive.org/texts/P8880001_OLDEN-DAYS_ANTHONYS_1888-09-22.pdf imitation pearl necklace