FOTH Derby Model 1 f 3.5 camera from the 1930's - unusual because it has a 30 mm x 40 mm negative size and a sliding cover over the back windows. Now I know which camera my grandfather used to take all those small photos. Photo-a-Day 1/1/2012 Bill Stone.
antique camerafoth derby model 1
From Bill's Photo-a-Day 2012