Trybom, John Herman, O'Connor, Ellen Frances, 1874- joint author, Wilson, Abbie Ellen, 1854- joint author · Springfield, Mass., New York [etc.] M. Bradley co. · leaf 38
No. 32, HEXAGONAL TRAY. First Year. … 1. Describe concentric circles, radii 4"X3" respectively. 2. Inscribe hexagon in smaller circle. 3. Draw triangles ACE and BDF. 4. Extend the sides of these triangles to the circumference of the other circle. (33)
Paper work · Manual training
Internet Archive · University of California Libraries · Public domain (published before 1931). Free to use for anything.