This midget Emerson "Little Miracle" model AX211 was made in 1938. It measures only 8½" wide by 5" high.
It's made of brown bakelite with black bakelite sled feet and knobs.
There are 5 octal tubes crammed into it, a 6Q7, 6K7, 6A7, 25L6 and 25Z6.

(from Radio Retailing magazine July 1938)