Warsaw-Poznan 1920 Main Military Bookstore. 15x21 cm, pp. 40, black and white illustrations in the text, two fold-out appendices at the end of the book, softcover. Good condition (number stamp on title page, small paper loss on spine, ownership signature and mild staining on cover, a few minor tears).
Basis: Physical Education Regulations of the M. S. Military. 1920. Contents include instructions for conducting exercises, commands, climbing, hanging, jumping.