Pre-Civil War Photographic Technologies: The Calotype and Daguerreotype
Posted by: Cheryl Lederle
When I was conducting research for the Library of Congress primary source set "Civil War Photographs: New Technologies and New Uses," I learned way more about photographic technologies that were used before the Civil War than I could fit into the brief teacher's guide.
Posted in: Civil War and Reconstruction (1861-1877), Science Technology and Math