NO AUTHOR - Handbook of Magnetic Compass Adjustment Fourth Edition Pub. No. 226

Washington D. C.: Defense Mapping Agency, 1980. Hardcover. Binding is clean, sound and unworn. Two price stamps on ffep. Gov't. Stamp on title page has offset onto the facing blank page. Contents are almost like new. No DJ. ; 9-1/4" Tall, v + 96pp. Brown boards with bright gold lettering on spine and front cover. TECHNICAL. "This handbook has been prepared in order to present all pertinent information regarding the practical procedures of magnetic compass adjustment in one text. As such, it treats of the basic principles of compass deviations and their correction, and not of the details of particular compass equipment.. Ship's personnel who are inexperienced with compass correction will find sufficient information in chapter I and XIV to eliminate compass errors satisfactorily without intensive study of the entire text. Reference should also be made to figure 318 (page 25) for condensed information regarding the various compass errors and their correction. " Index. Figures throughout.. Very Good- .