Ottewill plate camera. Sliding body camera for 3 1/4 x 4 1/4 inch plates. Fitted with a Petzval type lens by J H Dallmeyer F; 6 inches c. f/3.8 with one Waterhouse stop, No 3. Rack and pinion focusing on lens, pinion missing. Serial No 3488. Sliding rising front, rack and pinion focusing on rear panel. With repeating type back with sliding ground glass screen.