ArtsCorner: What’s the difference between a Mezzotint and Woodburytype?

Find out using the Image Permanence Institute’s Graphic Atlas. This amazing tool lets you explore different printing techniques and how they’ve been used throughout the history of photography. Take a Guided Tour of the methods used for each technique and their individual characteristics. Use the Compare feature to analyze two techniques side by side and understand their differences. Become a print connoisseur by using the Identification guide to learn  step by step instructions on how to identify print processes.

In addition, the site features fantastic visual tools such as the ability to zoom in and out, flip the page over, see a side view, and change the light source. The mediums discussed range from pre-photogenic (etchings, mezzotints) to digital.