The strength code
Physical strength – its building blocks Characteristic of null, inferior, average, superior and athletic ability
Minimum degree of ability to possess according to age
Performances to be performed, exercises to be performed
Tables of tests with listed performances 7th edition of 1947, 196 pages
Format 18 x 11 More than very rare copies.
NEW but traces of humidity stains and/or slightly crumbled covers etc: 18 €