“Dirty Harry” Case Study James Fisher and Sons plc T: +44(0)1229 615400 E: enquiries@james-fisher.com W: www.james-fisher.com The “Dirty Harry” Contaminated Water Diving System is designed to provide a safe and efficient surface supplied system which minimises the risk of contact between the diver and the water in which he is diving. The basic method of achieving this is by providing a closed circuit breathing system whereby t

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