21 JAN 2014 by ideonexus

 The Exposition of 1851

Books, Brochures, and Chapters>Book:  Babbage , Charles (1851), The Exposition of 1851, Retrieved on 2014-01-21
  • Source Material [books.google.com]
    • Folksonomies: great exhibition
    Folksonomies: great exhibition
     1  
    13 DEC 2011 by ideonexus

     The Exposition of 1851

    Books, Brochures, and Chapters>Book:  Babbage , Charles (1851), The Exposition of 1851, Retrieved on 2011-12-13
  • Source Material [books.google.com]
    • Folksonomies: great exhibition
    Folksonomies: great exhibition
     2