BY / R.D. MERSHON (single ridge version)
Picture Courtesy Bob Berry
BY / R.D. MERSHON (three ridge version)
Picture Courtesy Bob Berry
No markings
Picture Courtesy Bob Berry
CD 288: USA
Picture Courtesy Bob Berry |
Picture Courtesy Bob Berry |
Picture Courtesy Bob Berry |
This CD was made to a Ralph D. Mershon 1898 patent. The ribs found on some of these are shown in the patent and were intended to direct the water so it would not splash on the cross arm.
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