Page 918 



INDEX 



Keference 



Projection(s)— Continued. '^"- ^^^^ 



Mercator (see Mcrcator projoction) 



Polyconie . . ^ - 7321 067 



Accuracy 7321 tifiS 



construction - 7324 tjGH 



data used for boat sheet saved for smooth 



sheet 322 201 



Instruments needed in 7324 669 



Layout to be followed 7324 669 



Planning -.- 7324 669 



Scales verified before 7322 668 



Tabular data for -.-. 7324 669 



General description 7321 667 



Instructions for making 7324 669 



Joiningtwo 7321 668 



R. A. R. sheet 734 675 



tables --- 7321 667 



ITse for field surveys.- 1133 7 



I'se of in Coast and Qeodetic Survey 7321 667 



Ruling machine --. 7327 672 



Boat-sheet not made 3224 206 



Requests for -- 7327 672 



Size limitations— 7327 672 



Skewed 7327 672 



Skewed .disadvantages 1362 25 



Smooth-sheet 



Conditions for making 7325 671 



data required in Descriptive Report 842i? 788 



.„ .. /7323 669 



verification 17326 671 



Projection ruling machine 7327 672 



Projector 4854 435 



Description 4854 435 



Method of use 4854 435 



Testing 4854 435 



Pronunication of geographic names _ . 163 49 



Proofreading 9138 822 



Propagation of sound (see Sound propagation 

 and Sound transmission) 



Propeller, keeping leadline from L^g 263 



Propeller, reversible, advantage on hydrographie 



launches 421 323 



Property 



inventory . 433 333 



replacements expended in place 433 334 



transfer 433 333 



Proportional dividers (see Dividers, propor- 

 tional) 



Protractor(s) 453 372 



C ircular , for plotting azimuths 4539 378 



Circular for R. A. R. (see R. A. R. pro- 

 tractor, Odessey) 



No-arm 



for plotting dead reckoning 7653 709 



used in plotting R. A. R 7633 704 



Paper .transparent 4539 378 



for plotting three-point fixes 7623 700 



Specialtypes 4539 378 



Three-arm 



Aluminum plate, for testing 4533 374 



Angles plotted with 4534 375 



arms should be tested for straightness 4533 375 



Celluloid 4536 376 



Accuracy 4536 376 



Advantages 4536 376 



Care of 4536 377 



dimensions 4536 376 



disintegrate when near steel or felt 4536 377 



Guarding against being blown over- 

 board 4536 377 



Smooth-sheet use, limitation of 7622 700 



Sunlight gradually makes opaque. -. 4536 377 



Testing 4536 376 



Use, principal 4536 376 



for plotting R. A. R. (see R. A. R. protrac- 

 tor, three-arm) 



by distance differences 6826C 644 



Metal 



Accuracy.- 4531 373 



Adjusting 4533 375 



Careof 4535 376 



centers 4531 373 



Testing for concentricity 4533 374 



"Circle" sheet arcs drawn using 3741c3 291 



Cleaning arc 4313 332 



Description 4531 372 



dimensions 4531 372 



elevated above plotting sheet 4539 379 



extension arms 4531 374 



Braces for added rigidity 4531 374 



Precautions when using 7621 699 



Fitting, special, for use in plotting wire 



drag 4532 374 



Limitation of use 7621 699 



Precautions in use during heavy weather. 4535 376 



Protractor(s)— Continued. 

 Three-arm— Continued. Keference 



Metal— Continued. ^°- 



Salt water. expo.sed to 45.35 



stowed in box when not in use 4535 



with arm guides at control stations 4539 



with micrometer screws 4539 



Testing {n^ 



Frequency required 4533 



Three-point fixes plotted with 1762 



Use of— {«f 



I'seudo-triangulation methods 228 



Ptolemy Ill 



Publications 



C. & G. S. (list) 952 



needed on coast pilot field inspection (list) 91316 



Reference (list).. 953 



Pull-wire fuse lighter.. 6844 



Pycnometer 476 



Quadrantal spheres, compass. 

 Adjustment of 



Quartz crystals, for use in radio transmitters 



R 



. 4411 

 - 4414 



/2616 

 \6433 



{2.391 

 2394Rni 



Radial-line method of transfer 7563 



Radiation angle of Veslekari acoustic units 5273 



Radiation resistance, definition 6221 



Radiation, sound energy loss due to 5142 



Radio (see also Radio Acoustic Ranging and 

 Radio in R. A. R.) 

 bearings (see Bearings, radio) 



books, reference (list; 9534 



compass (see Radio direction finder) 



communication equipment 4112 



of the Explorer 4122 



current meter.... 477 



Description. __ 477 



Personnel required to operate 477 



Principles 477 



suspension 477 



direction finder 444 



compensation 4442 



Description 444 



deviation 4442 



Checking __. 4442 



determination 4442 



Direction of maximum _ 4442 



»T . . r4441 



Navigation, use of m 14443 



stations, identification of 4443(6) 



stations, radio bearings to 4443(6) 



mast, definition 8534C 



Navigation use. in Chapter 1, Coast Pilot.. . 916 



operators (see Radio technicians) 



pelorus (see Radio direction finder) 



repeater, of gyro system 4422(c) 



room of a survey ship 4112 



Description 4112 



Equipment installed in 4112 



signals used to calibrate echo-sounding instru- 

 ment speed. 5551 



station(s) (see also Broadcasting stations) 

 positions only approximately known 4443 



technicians, duties I g^.. 



Radio Acoustic Ranging (R.A.R.) (see also 

 Radio in R.A.R. and Sono-radio 



buoys) 6 



abstract, recording data in 6811 



accuracy dependent on velocity selection 6362 



Boat-sheet accuracy for 3223 



Boat-sheet paper for 3221 



bomber (see Bomber) 



bombing (see Bombing) 684 



bombing interval determined by oflacer-in- 



charge 6712 



bomb (see Bombs) 



books, reference (list) 9534 



chronograph (see Chronograph, R.A.R.) 



scale (see Chronograph scale) 

 circuit, special, for listening at shore stations 



for bombs 2614 



clocks, synchronization 6811 



communication system (see Communication 

 system) 



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