Inspecting Cylinders by William (Bill) High and Mark Gresham
The most comprehensive, up-to-date reference for visual inspection of SCUBA and SCBA cylinders. Contains new facts, new photographs, and new information. This fact-filled, 19 chapter book is MUST reading for every cylinder inspector, fill station operator, SCBA/SCUBA inspector, hydrostatic retester, cylinder owner, and all others involved in handling high-pressure breathing gas cylinders.
5th ed. by William L. (Bill) High and Mark A. Gresham