Page 896 



INDEX 



Chronograph, R. A. R. -Continued. Reference 



Oaertner — Continued. •'^ "• 



operation -- - 6731 



styluses, adjusting 6731 



styluses, resistance 6731 



styluses, substitution : --- 6731 



tape markings 6851 



(illustration) fig. Ut 



tape speed - --- 6731 



operation - 673 



scale for R. A. R {&85Z 



Description 4825 



Purpose 4825 



stylus operation 673 



stylus, signal 673 



stylus, timing --- 673 



tape(s) --- 685 



Clarity of record on .-- 8311 



Description^ 673a 



Destroying 6854 



Disposition -- 6854 



Folding 6854 



identification, method 6854 



{illustration) fig- tit 



Identifying bomb explosion on 6851 



Identifying radio signals on (see a?sofG851 



R. A. R. station identification) \6852 



marks 685 



Packing 6854 



Radio signals on 6851 



record, description 6853 



Scale used with -- 4825 



Scaling 6853 



scaling errors 7636o 



Stamp No. 41 for 6854 



(illustration) - fi9- U^ 



c..\- 1 /6851 



Static marks on \7e36a 



Strays 

 Causes 6852 



Distinguishing from bomb returns.. 6852 



Precautions required during transmis- 

 sion of 6852 



terminology 6853 



time intervals 

 Chronograph scale used in measur- 



ijig — — 6853 



Measuring 6853 



Terminology 6853 



Verifying 6854 



time offsets, numbering 6853 



Chronometer(s) ^^^^^ 



balance wheel, locking 45416 



balance wheel, stopping. 45416 



Break-circuit 



Description. 6732 



operation 6732 



Relay circuit for 6732 



(illustration) fid- UO 



Use in timing-fork calibration . - — 5551 



Care of 4541a 



comparison with time signals 4541d 



Location on shipboard 4541a 



Padded compartments for 4541o 



Preparing for shipment . 45416 



Temperature changes, protected from.. 4541o 



Transporting by hand 4541a 



Winding '--- 4541c 



Circle, azimuth (see Azimuth circle) 



Circles, distance. R.A.R. (.".ee R.A.R. distance 



circles) 

 "Circle" sheet(s) 



Advantages 37 



Auxiliary straight-line method 3742 



Construction of arcs 3742c 



used without drawn arcs 3742 



construction 



General case --- 374 



Line of centers off sheet 3753 



(3751 



Line of center on sheet.. -{3752 



[3754 



Modified cases of 375 



One control station on sheet... 13753 



Trigonometric fuctions for (table 4I)..- 964 



Two control stations off sheet 3751 



Two control stations on sheet 3754 



control stations to be used, selecting 373 



Description 37 



formulas, derivation 371 



Graduated perpendicular method 3741 



Computations 37416 



Construction of arcs 3741c 



Preliminary construction 3741o 



Inking the arcs 735 



Page 

 633 

 633 

 633 

 633 

 650 

 651 

 633 

 632 

 426 

 653 

 426 

 426 

 632 

 632 

 632 

 650 

 777 

 632 

 655 

 654 

 655 

 654 

 655 

 650 

 651 

 652 

 650 

 655 

 651 

 652 

 426 

 652 

 706 

 654 

 655 

 651 

 706 



652 

 652 



652 

 653 



653 

 652 

 653 

 654 

 652 

 379 

 380 

 380 



633 

 633 

 633 

 629 

 520 

 379 

 380 

 379 

 380 

 380 

 379 

 380 

 380 



286 

 292 

 293 

 294 



288 

 294 

 294 

 294 

 295 

 294 

 294 

 294 

 885 

 294 

 295 

 288 

 286 

 287 

 289 

 290 

 290 

 289 

 677 



Reference 



"Circle" sheet(s)-Continued. No. Page 



Plotting on 37 286 



{37? 2H8 



37410 289 



Preparing 372 288 



Shoals, offshore, developing on 368 286 



Trigonometric functions for construction of 



(table il) 964 885 



Uses, various 376 295 



Circular arcs used in running sounding lines 3143 200 



Clarity, importance on smooth sheet 7913 748 



Clarke's spheroid 2171 67 



Clay, definition 3845 304 



Clay, red, where prevalent in oceans 3848 306 



Clearances.. 3836 301 



Bridge (see Bridge clearances) 



Horizontal 3836 301 



Overhead 



{824 

 826 



reported by Coast Pilot reviser 9133a 814 



shown on smooth sheet 7846 742 



Vertical 3836 301 



Data required in Descriptive Report 842P 790 



Clock(s), hydrographic... 4542 381 



[4542 381 



Agreement required in coordinated operations. < 8142 762 



[8311c 777 



cannot be adjusted sufficiently 4542 381 



comparison 4542 381 



Description, general 4542 381 



mounting on portable box for use in launch — 4542 381 



Sounding-interval type 4543 381 



Advantages 4543 381 



Description 4543 381 



Useinfog 4543 381 



8311c 777 



Use -. 5542 381 



Clock, sounding (see Clock, hydrographic) 



Clocks used in R. A. R., synchronizing 6811 636 



Cloth, tracing (see Tracing cloth) 



Coast, definition |jjg §29 



Coastal features, terminology 16826 55 



Coast and Geodetic Survey 



Echo-sounding, history in 513 441 



echo-sounding instruments, operation of 5616 538 



Echo-sounding instruments used by 52 455 



Coast Guard 



Chart of special objects for 8533 799 



Instructions for preparation 8533 799 



Objects located for 1551 41 



reported to Washington Office 8533(6) 800 



Coastline changes reported in Coast Pilot 916 828 



Coast Pilot(s) 



Appendix, content --.. 9135B(5) 820 



Authority of in marine investigations — 916 829 



„ , , , , , f9135B(4)(c) 819 



Bold-face type, use of 19136 §21 



Chart index map in 9135AU) 816 



Dating a 916 830 



Description, purpose, and contents 91 809 



„ ,. ,. ., , f9131e 812 



Duplication avoided (gmBU) 819 



Extent of text content 9131/ 812 



field inspection 



Instruments needed on (list)--. 91316 811 



itinerary, planning 9132c 813 



Nautical charts to be inspected 9133o 814 



Officials to be visited (list) 9132e 813 



Organizations and offices to be visited (Zis<)- 9132e 813 



Planning 9132c 813 



Preliminary preparation in Office for .. 9131 810 



Publications for reference (ZisO 91316 811 



Purpose 91320 813 



Sources of information 9132e... 813 



Transportation to be used 9131(f 81 2 



Field Record Book [HHl IJ3 



folio headings 916 832 



glossary 916 824 



index 9139 822 



Indexing , method of 9135B(4)(6) 819 



information (see also specific item in alpha- 

 betical Glossary, 916, page 824) 



Detailed , beginning in Chapter 4 9135B (4) 819 



not to be duphcated in - 9131e 812 



required in Descriptive Report 8420 789 



Sources of listed -. 911 809 



manuscript 



Bold-face type, use of 9136 821 



Cover title 9135Aa) 816 



"Important" note 9135A(6) 816 



Preface 9125A(5) 816 



Preparation of — 9135 815 



