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RODES RAFAEL
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RODES RAFAEL
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Priority to ES0004766UpriorityCriticalpatent/ES4766Y/en
Publication of ES4766UpublicationCriticalpatent/ES4766U/en
Application grantedgrantedCritical
Publication of ES4766YpublicationCriticalpatent/ES4766Y/en
Board for changeable advertisements, characterized essentially by presenting its zigzag surface, formed by a succession of dihedral angles arranged in parallel, all the faces corresponding to a same side of said dihedral angles presenting an advertisement or inscription conveniently sectioned, while the faces corresponding to the another side of said dihedral angles have a different inscription or advertisement, so that observing the board on one side and with a certain inclination, only the faces on one side of the dihedral angles will be visible, and, therefore, the inscription can be read in them contained, while observing the board from the opposite side and also with a certain inclination, the faces of the opposite side of the dihedral angles will be visible, reading the other inscription contained therein. (Machine-translation by Google Translate, not legally binding)
The Conquest of Virginia, the First Attempt; Being an Account of Sir Walter Raleigh's Colony on Roanoke Island, Based on Original Records, and Incident in the Life of Raleigh, 1584-1602