The Sextant Handbook

( 1 )

Overview

Loran and GPS notwithstanding, there will always be a place for the sextant aboard any blue-water boat, if for no other reason than the thrill and mystery of finding one's position on earth by gazing at the heavens. Here is the indispensable reference that should accompany the instrument aboard. Cmdr. Bruce Bauer, a professional navigator and master mariner with the U.S. Merchant Marine, has distilled years of hands-on experience into an eminently readable guide to buying, ...

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Overview

Loran and GPS notwithstanding, there will always be a place for the sextant aboard any blue-water boat, if for no other reason than the thrill and mystery of finding one's position on earth by gazing at the heavens. Here is the indispensable reference that should accompany the instrument aboard. Cmdr. Bruce Bauer, a professional navigator and master mariner with the U.S. Merchant Marine, has distilled years of hands-on experience into an eminently readable guide to buying, adjusting, using, and repairing sextants.

The Sextant Handbook is dedicated to the premise that electronic navigation devices, while too convenient to disregard, are too vulnerable to rely on exclusively. The book is designed to make beginner and expert alike conversant with this most beautiful and functional of the navigator's tools. Topics include:

  • Assembly and Disassembly
  • Vital Adjustments
  • Avoiding Problems
  • Rough Weather Sightings
  • Oiling and Cleaning
  • Immersion Baths
  • Emergency Silvering
  • Finding and Buying Used Sextants
  • And Much More

You'll also find a list of distributors, manufacturers, and dealers worldwide, a discussion of future trends, and numerous helpful hints, including sighting with eyeglasses and using a Rude starfinder. All in a thoroughly revised edition of a book acclaimed by navigation professionals.

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Product Details

  • ISBN-13: 9780070052192
  • Publisher: McGraw-Hill Professional Publishing
  • Publication date: 2/1/1995
  • Edition description: REV
  • Edition number: 2
  • Pages: 192
  • Sales rank: 403,318
  • Product dimensions: 6.20 (w) x 9.20 (h) x 0.60 (d)

Meet the Author

Cmdr. Bruce A. Bauer, USN (ret.), is a professional navigator and master mariner with the U.S. Merchant Marine. He presently commands a Navy research vessel sailing between the United States and the Caribbean islands and recently commanded the ship that was successful in relocating the historic sunken submarine Monitor off Cape Hatteras. A former destroyer captain, Cmdr. Bauer has taught radar and been a senior instructor for the Master Mates and Pilots School of Advanced Studies and also served as the commander of the Naval Research Lab at Chesapeake Beach, Maryland. In addition to The Sextant Handbook, Cmdr. Bauer has written articles on the subject of marine sextants for Cruising World and SAIL magazines. He lives with his artist wife, Nancy, on the shores of the Chesapeake in Deale, Maryland.

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Table of Contents

IntroductionChapter 1 A Short HistoryAstrolabeLatitude HookQuadrantCross StaffBack StaffSextantChapter 2 Elements of the Sextant and Four Vital AdjustmentsPerpendicularityFrame and Index MirrorFrame and Horizon GlassParallelismIndex Mirror and Horizon GlassTelescope and FrameAdjustment ProceduresChapter 3 Attachments and AccessoriesAstigmatizersDouble Star PrismWide View Horizon GlassDavis Prism LevelBubble Horizon AttachmentNeck StrapsVisual AidsChapter 4 Care, Maintenance, and RepairOiling and CleaningImmersion Bath ProceduresHow to HoldWhere to Put DownMounted Sextant BoxesEmergency Silvering TechniquesApplying PaintResilvering Horizon GlassChapter 5 How to Buy a SextantWhere to Find ThemPricesFive Ground Rules to Avoid ProblemsTaking Test SightsInterstellar Test TableDiscovering the Dropped SextantReconditioning CostsChapter 6 Sighting TechniquesInversion for LocationPrecalculating AzimuthsRocking or Swinging an ArcSun's Upper LimbShades for Sun, Moon, and VenusCorrecting for False HorizonRough Weather Sighting TechniquesMaking a MonocleChapter 7 Correcting the SightThe Thirteen ErrorsCorrecting for Moon, Venus, and MarsCorrecting for Wave HeightChapter 8 Timing the Sight AccuratelyThe Hack WatchUsing a Tape RecorderCounting Paces and StopwatchesAttaching Stopwatch to SextantChapter 9 Searching for StarsThe Necessity for PreplanningFinding SunriseUsing the Rude Star FinderConverting Local TimeUsing H.O. Pub. No. 249Making and Using a Wrist BoardChapter 10 Sextants of TomorrowIs the Sextant Doomed? Coming DevelopmentsAppendixesA—Sextant Check ProceduresB—Sextant ManufacturersC—Distribution and DealersD—The Navigator's Basic Tool KitE—Making and Using an Artificial HorizonF—Table of Interstellar Angles for Practice Sighting and Sextant TestingG—Useful AddressesBibliographyIndex

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Sort by: Showing 1 Customer Reviews
  • Posted July 18, 2009

    more from this reviewer

    A good resource for Navigators and persons interested in Celestial Navigation and how to use the Sextant

    This book is a full comprehensive guide on how to maintain a sextant, use, and a resource information for types out there. The descriptions of past and current sextants is great, with information on the manufactures. A welcome addition to any navigator's library.

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