Technical and Scientific Illustrations: From Pen to Computer  

A brief look at the 19th Century David M. Greene collection of engineering textbooks at Rensselaer Polytechnic Institute reveals how illustrations (1) conveyed messages to a specific audience, (2) addressed a subject, and (3) were designed for specific viewing contexts. The technology of computer-aided drawing has reestablished the importance of visual language in scientific documents.

Powley, William. STC Proceedings (1995). Presentations>Graphic Design>History>Technical Illustration