Sean Bottomley, Ph.D candidate in History, University of Cambridge, gave a lunchtime seminar entitled "The Specification Requirement and the Diffusion of Technology During the Eighteenth Century" on Thursday 17th May 2012 at the Faculty of Law as a guest of CIPIL (the Centre for Intellectual Property and Information Law). For more information see the CIPIL website at http://www.cipil.law.cam.ac.uk This entry provides an audio source for iTunes U.