M-11220 |
436 Design |
Knobs made with 2 1/2 and 2 1/4 inches diameters. Design based on patent number D0018351, May 22, 1888 by George J. Wells. The patent was for the outer rings with any center. Chicago Hardware 1895 catalog showed both this knob and M-11210 as 436 Design.
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Dates:C. 1888 |
