To me that looks like the copy camera the Department of Geology and Geography used when I was in college in the 70's. They were teaching students how to draw topographic maps by hand and then use the camera to copy the maps 1:1 for printing. Since I was not majoring in that field, I only saw the camera once--the students in Geology 101 were given a tour of the department's facilities. The camera took up a whole room in the building.
Keith
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