Acme (Back Focus Cone) Camera

Date Introduced: – ; Years Manufactured: c.1878-1891
Construction: back focus via push-pull; single or double swing; reversing by removable back; French polish finish
Materials: mahogany body; cherry base; black rubber bellows; brass hardware
Sizes Offered: 4.5×5.5; 6.5×8.5; 8×10; 10×12; 11×14; 14×17; 17×20; 20×24
Notes:  The black inserts in the rear base of the 11×14 would not be present in smaller cameras of this same model.
James W. Queen & Co. Cat., 1886, p. 72