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V17 2014 INDEX       E-SYLUM ARCHIVE

The E-Sylum: Volume 17, Number 43, October 19, 2014, Article 9

THE ROSE MACHINE AND OTHER GEOMETRIC LATHES

Nick Graver forwarded a great video (sent to him by his friend Robert Vogel, retired Historian of Mechanical & Civil Engineering at the Smithsonian) about the Rose Machine and other geometrical lathes used for producing intricate patterns on coins and paper money. Thanks! It's a delight to watch. Here are a few images to whet your appetite. -Editor

The Rose Engine Rose Engine banknote design
The Rose Engine and a Rose Engine Design Example

Geometric Lathe Stock book of geometric lathe patterns
Geometric lathe and stock book of patterns

Geometric lathe pattern on metal Fantasy Lathe

To view the complete video, see:
Banknote and Coin Engraving-.wmv (www.youtube.com/watch?v=LJv0KpuDR1g)

THE BOOK BAZARRE

SELECTIONS FROM THE JOHN HUFFMAN LIBRARY: Browse and Shop Approximately 3,000 Numismatic Books from the Respected Library of John Huffman—All Books Recently Discounted 20%. Click here or go to www.SecondStorybooks.com click on "All Subjects" and select "John Huffman Collection"
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Wayne Homren, Editor

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The Numismatic Bibliomania Society is a non-profit organization promoting numismatic literature. See our web site at coinbooks.org.

To submit items for publication in The E-Sylum, write to the Editor at this address: whomren@gmail.com

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