V-10600 |
Marked Norwalk Lock Company Sept. 3, 1873. But patent #142,451 by H.H. Elwell for stem design has the date Sept. 2, 1873. Made of Silica Diatite patent #85018, Dec. 15, 1868 by J.M. Merrick. Found with rose patent #113,842, December 10, 1873 also by H.H. Elwell. Marking is visible on rear of knob and inside the rose.
School:Composition |
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