The Shetland Attack Pony Philip UnderwoodAbstract The Shetland Attack Pony (SAP) is an electronic compass and clinometer, designed for use in surveying caves. It is accurate to within a degree, and produces l

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Date: 2007-08-17 14:43:24		The Shetland Attack Pony Philip UnderwoodAbstract The Shetland Attack Pony (SAP) is an electronic compass and clinometer, designed for use in surveying caves. It is accurate to within a degree, and produces l Add to Reading List Source URL: www.shetlandattackpony.co.uk Download Document from Source Website File Size: 169,42 KB Share Document on Facebook