original late 1880's single antique american residential pocket door hardware mortise lock designed and fabricated by the p. & f. corbin co., new britain, ct. the single working mortise lock with ornamented cast iron retains the original bronze push button that releases the sliding handle to pull the door from its pocket. the baked-on black cast iron lock case is all original and intact. interior components in working condition. a complete single pocket door set with escutcheons is available under the same category as this listing. measures 7 3/4 x 3 3/8 x 1 inches.