I was wondering what a Civil War-era transparency was. I know what they were when I was teaching, a piece of clear plastic on which you could write stuff and show it on a screen large enough for the students to see at their desks. It was a much better way than writing the information on a chalkboard.
Bit what was one like in the Civil War?
The article was nice enough to include a picture of one and an explanation. A transparency back then was a cloth-covered box with the likeness of their candidate cut into it. They would be held aloft on a pole and illuminated by a small lantern.
--Old Secesh
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