US Navy Diving Manual, NAVSHIPS 250-538, 1963
US Navy Department
Looseleaf file with pale green card cover and metal strip fastener. Naked spine. Strip fastener operational but rusted in places; rust colour transferred to cover boards which are creased and marked. Cover inscribed with a series of numbers above the title. Inside pages in fairly good condition. A few pages extend beyond the other pages and are, therefore, rubbed and worn.
Part 1: Underwater physics and physiology; basic diving procedure; diving tables; hazards; safety precautions; qualifications and training.
Part 2: Surface supplied diving: Standard diving equipment; communications; air supply; boats and floats; procedures.
Part 3: Self contained diving: Techniques; equipment; open, closed and semi-closed circuit scuba; closed; stability of scuba.
B&W photos and illustrations
200 mm x 260 mm (approx. 8 in x 10.3 in)