Reviews the book `The Papers of Thomas A. Edison: Menlo Park: The Early Years, April 1876-December 1877 by Thomas A. Edison, edited by Robert A. Rosenberg, Paul B. Israel, Keith A. Nier and Martha J. King.
Reviews the books `The Papers of Thomas A. Edison. Volume 2: From Workshop to Laboratory, June 1873-March 1876,' by Thomas A. Edison, edited by Robert A. Rosenberg, Paul B. Israel, Keith A. Nier and Melodie Andrews and `Thomas A. Edison and the Modernization of America,' by Martin V. Melosi.
Reviews the book "La seduccón de la máquina: Santponç, Monturiol, Isaac Peral: Vapores, submarinos e inventores," by Agustí Nieto-Galan with foreword by Saturnino de la Plaza.