Beecham's 4 square puzzle : place the four pieces together in such a manner as to form a perfect square.
- Date:
- [between 1925 and 1935?]
Licence: In copyright
Credit: Beecham's 4 square puzzle : place the four pieces together in such a manner as to form a perfect square. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/b28640688_0001.jp2/full/800%2C/0/default.jpg)