Bauer, Bruce A.,

The sextant handbook : adjustment, repair, use, and history / by Bruce A. Bauer. - 2nd edition - Camden, Me. : International Marine, c1992. - 189 p. : ill. ; 25 cm.

Chapter 1. A short history
Astrolabe
Latitude hook
Quadrant
etc...

Chapter 2. Elements of the Sextant and four vital adjustments
Perpendicularity
Frame and index mirror
Frame and horizon glass
etc...

Chapter 3. Attachments and accessories
Astigmatizers
Double star prism
Wide view horizon glass
etc...

Chapter 4. Care, maintenance and repair
Oiling and cleaning
Immersion bath procedures
How to hold
etc..

Chapter 5. How to buy a sextant
Where to find them
Prices
Five grounded rules to avoid problems
Taking test sights
etc..

Chapter 6. Sighting techniques
Inversion for location
Precalculating azimuths
Rocking and swinging an Arc
Sun's upper limb
etc...


Chapter 7. Correcting the sight
The thirteen errors
Correcting for moon, Venus and Mars
Correcting for wave height
etc...

Chapter 8. Timing the sight accurately
The hack watch
Using a tape recorder
Counting paces and stopwatches
etc...

Chapter 9. Searching for stars
The necessity for replanning
Finding sunrise
Using the rude star finder
etc..

Chapter 10. Sextants of tomorrow
Is sextant doomed?
Coming developments


Includes bibliographical references (p. 181-183) and index.

0070052190 9780070052192

92002545


Sextant.

REF 522.4 / BAU