
CATALOG ID: M-13730
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Drum style. Based on design patent # D9709, Jan. 16, 1877 by Jahn W. Tiemann, William Simpson, Jr., and John Collins. The patent is for designs "consisting of parallel elevations and depressions, having one or more rows of dots on the elevations or in the depressions." Assigned to Hopkins & Dickinson. Shown in 1879 Hopkins & Dickinson catalog page 204.
Specifications

About this record
Catalogue entry M-13730 is an antique doorknob recorded in the Concentric Patterns category (Category M) of the Antique Doorknob Collectors of America archive. It was made by Hopkins & Dickinson, C. 1877.
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