a.k.a. Take It Apart
Patented by J. Boyle 1939.
(10 wood pieces and a penny, 3.25 inches sqaure by 11/16 inches thick)

The one on the top left says "PAT. PEND" on both the box and the puzzle, and the one on the top right shows the patent number on the puzzle. This puzzle was made for many years; J. A. Storer played with the third one above as a child in the 1960's. One must shake the internal pegs to a position that allows disassembly with a twist:

Further Reading
Boyle Patent, from: www.uspto.gov - patent no. 2,181,116