Williams, Charles M.2013-06-192013-06-191974http://hdl.handle.net/10919/20266A working prototype computer controlled process is described for automatically converting line drawings into raised line images perceptible to the touch. The process uses an automatic digitizer for input and a milling machine for output.application/pdfenIn CopyrightA Process for Producing Tactually Perceptible Images of Line Drawings for Use by the BlindTechnical reportCS74031-Rhttp://eprints.cs.vt.edu/archive/00000784/01/CS74031-R.pdf