C-13000 |
Romanesque design, popularly called "Pineapple" |
A concave knob with a "pineapple" in the center. Knob design patent #D17,339 and escutcheon-plate #D17,338, May 10, 1887 by George S. Barkentin, assigned to P & F Corbin. Entry knob has a diameter 2 1/2 inches, interior knob 2 1/4 inch. Both knob and plate shown in 1895 Corbin catalog page 621
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Dates:c. 1895 |
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