For your consideration, here is a Used Large Ellipse C Drawing Template, no. 34, with sleeve. It is not marked with a maker. It measures 11 1/8 by 8 1/2 inches. The template has very little wear on it. It will be mailed in a box for protection.  Item pictured is the actual item up for sale, and comes from a non-smoking household. (180.144m-.10bb)

Here are the degrees and size ranges:

30 degrees: 1 3/4 to 4 inches

45 degrees: 1 7/8 to 4 inches

60 degrees: 1 5/8 to 4 inches

75 degrees: 2 to 4 inches