This is an introduction to the principles of compass work. It is a guide for those wanting to carry out as much of their own repair and maintenance as possible. However, it borders on telling you more than you want to know! Starting with history and basic principles, it takes you through the complete tour; from flinders bars to software programs. At the end, you will feel well served. You will also understand when a professional adjuster, with his training and experience, should be called. This book is intended for owners of all types of small vessels, both power and sail. It should be of special interest to those traveling to remote parts where self-reliance is a key to safely and survival. SC, 1998, 83 pages. SW 2.0 lbs.