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In 1879 & 1890 catalogs. Similar knob by Phoenix, (K-21320) in 1894 catalog page 85, has 3 concentric rings in the center instead of pinwheel. Used as example in patent # 386,243, Judy 17, 1888 by William Gay for type of construction.

Specifications

School / Style
Vernacular
Manufacturer
Hopkins & Dickinson
Circa Dates
C. 1879
Classification
Category K
Download PDF
K-21300