Caldwell's Atlas (1873)
- 1873 Caldwell's Atlas of Wayne County, Ohio p. 40.
- Seiberling's Improved Self-Rake cutting Down and Tangled Grain. Width of cut 5 feet 6 inches. Cuttion Section 3 1/2 inches. Diameter of Drive Wheels 31 inches on Junior, 34 on Medium.
- "Senior Reaper as a Dropper, Cutting Lodged and Tangled Grain. Width of cut 6 feet. Cutting Section 3 1/2 inches. Diameter of Drive Wheels 36 inches.
- We build three sizes of Machine, viz.
Senior, Medium, and Junior. Each size of Machine is sold as a Mower only, or as a Mower and Dropper. To the Junior and Medium Machines is also attached the Self-Rake, so that they can be used as a Mower, as a Dropper, or as a Self-Rake, or all combined.