Rochester Optical Co.

Date Introduced: ~1902 but still called the Empire State- ; Years Manufactured: 1902-1909+
Construction: front and back focus, both via two gear tracks on top of base rails; double swing; three-piece lensboard; reversing by removable back
Materials: mahogany body; cherry base; black leatherette bellows; brass hardware
Sizes Offered: 5×7; 5×8; 6.5×8.5 (photos); 8×10; 10×12; 11×14; +
Notes: continued for two years after ROC was bought by EKC, but amazingly similar to the Eastman #1 and #2 being made at EKC and finally discontinued in their favor.
Photo Supplies, Sweet, Wallach & Co. (Chicago, IL) Catalog, 1908, p. 54