On Line and On Paper -- Contents -- Preface -- On Line and On Paper -- Introduction -- Coding and Claiming: Codification and the Rise of Engineering as a Profession -- The Visual Culture of Engineers: Drawing, Seeing, and Standardizing Perception -- The Yellow Brick Road to Production: Development of a Turbine Engine Package -- The Political Career of a Prototype: Development of a Precision Medical Instrument -- Computer Graphics in Design Engineering: How and Why Changes in Visual Culture Cause Restructuring -- Mixed- Use Practices: Combining the Electronic World and the Paper World -- The Aura of ''High Tech'' in a World of Messy Practice: Standardization, Mystification, and Glamour -- The Power of Visual Representation: Mixed Practices, Multivisual Competencies, and Meta- Indexicals -- Notes -- References -- Index.