This manual from the QUARTERMASTER SCHOOL provides detailed information on the Organizational Maintenance of Small Arms. It covers topics such as firearms, their related equipment and accessories, and techniques for maintaining them. The manual is an original publication in English and is illustrated by various artists. It was published in the U.S.A.
13 sections, each section numbered individually - i.e. pages are not numbered in1 consecutive sequence
booklet is approx 1 inch thick
a lot of firearms parts depicted
may be a good reference source for the right person
8 x 10 x 1 inch
guessing it is from 1960's or 1970's -- from the looks of the 'type'