Code: BBSF0025
Written to enable the owner or skipper of a small vessel to ascertain the deviation of his compass and correct it.
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Written to enable the owner or skipper of a small vessel to ascertain the deviation of his compass and correct it.
Principal causes of deviation are described. Methods shown are simple and have been used by the author in correcting the compasses of small craft up to 70 tons. Correction of a compass in a large steel vessel is a more complicated business, and needs the services of a professional Compass Adjuster.
CHAPTER CONTENTS:-
Description of a Liquid Compass
Removing a Bubble
Taking a Bearing
Pelorus
Earth's Magnetism, Lines of Force, etc.
Permanent Magnetism
How Deviation is Caused, etc.
Induced Magnetism
Quadrantal Correction Heeling Error, etc.
Precautions before Swinging Ship
Swinging Ship
Finding Deviation Under Weigh, etc.
Correcting the Compass Finding Positions by Two Horizontal Angles, etc.
Deviation by the Sun
Amplitude.
This book is also of value to yachting men.
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UK Standard Delivery – Usually 2-3 days
UK Next Day Special Delivery – Next day before 1pm (Sundays Excluded)
UK Express Courier – Next working day before 5pm
Ireland Express Courier – Next working day before 5pm
Europe Economy Courier – Usually 5-7 days
Europe Express Courier – Usually 1-2 days
Worldwide Express Courier – Usually 2-5 days depending on your exact location
If you live in a remote area, a ‘remote area surcharge’ may be applicable when booking your order on with a courier service for dispatch. A remote area surcharge is an additional fee that is added by a courier service for delivery to a remote location. We will always contact you about this should it ever happen, as it is not a fee that applies during the checkout phase of the online ordering process, but you will be expected to pay it should you wish to receive your order.
Orders placed with us will be dispatched within one to two working days. Dispatch is dependent upon the time when the order is received and provided that all goods ordered are immediately available. If any items are temporarily out of stock, we will endeavour to dispatch the complete order within 7 working days. We always endeavour to ship complete orders and try our best not to ship part orders as a general rule, but on occasion this rule may have grounds for it to be broken due to the varying nature of orders received. We will always try our best to communicate the status of your order should any issue arise that we feel you need to be made aware of.