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Elizabeth A. Sackler Center for Feminist Art
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Metal Comp. Cast Company
– founded 1870
Ludwig Kreuzinger; Metal Comp. Cast Company; Russell & Erwin Manufacturing Company
Pair of Doorknobs, Shaft, and Collar
Ludwig Kreuzinger; Metal Comp. Cast Company
Doorknob
Patented June 7, 1870
Ludwig Kreuzinger; Metal Comp. Cast Company; Russell & Erwin Manufacturing Company
Pair of Doorknobs, Shaft, and Collar
Ludwig Kreuzinger; Metal Comp. Cast Company
Doorknob
Patented June 7, 1870
Ludwig Kreuzinger; Metal Comp. Cast Company; Russell & Erwin Manufacturing Company
Pair of Doorknobs, Shaft, and Collar
Ludwig Kreuzinger; Metal Comp. Cast Company
Doorknob
Patented June 7, 1870
