Design has parts of B-11900. Center screw is part of the knob attachment. Based on patent #255,858 by O. E. Hidden. SeeThe Doorknob Collector#180.
Specifications
School / Style
VernacularManufacturer
Union Door Knob Co.Circa Dates
April 4, 1882
Classification
Category B
Visually Similar
AI-matched from the archival index
