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  • Uploaded by: Smithsonian Institution
  • License: No known copyright restrictions
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  • 17,897 views
  • Date taken: 2005-06-20 12:58:44
  • Date uploaded: 2008-06-04
  • Tags: smithsonianinstitution, cyanotype, diagram, mechinaldrawing, invention, patent, blueprints, diagrams, blueprint, draft, device, smithsonianinstitutionarchives
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