INDEX 



Page 895 



Buoy(s)-Continued. Reference 



Survey— Continued. ■'^o- ^^s® 



(2Sfi IRQ 



8524 798 



Report to Washington Office of establish-f286 189 



ment and removal.. \8524 798 



Running survey, use of in 3941 310 



Shallow water 2823 166 



Shoal mvpstigations, used in 172 56 



Shoal, isolated, surveyed using _ 3361 228 



Shoal, offshore, surveyed using 368 285 



Siganl notices on 2814 165 



Small for use on auxiliary vessels 2822 166 



Dimensions 2822 166 



structure, selecting type of 2545 130 



Survey ship substituted for 3365 230 



Three-barrel .description. 2826 170 



Three-point fixes observed to 3337 220 



Three-point fixes on distant 33766 236 



Triangulation scheme, use of in 2283 86 



Two-barrel 



construction.- 2825 169 



Materials required (/isO 2825 A 170 



Where used... 2825 169 



visibility 2541 128 



Weighing 2852 187 



traverses {see Taut-wire measurements) 



Types, various 2811 164 



Buoy control , obsolete method 3379 237 



Buoy-control schemes (see also Buoys, control) 



Connecting with shore control 25 110 



Description of 255 132 



Distance between buoys in line 2541 128 



Distance between lines of buoys 2542 129 



for location by 



astronomic observations 2571 141 



R. A. R. distances. 2574 144 



sextant angles 255 132 



taut-wire traverse 256 138 



Locating by sections 2546 131 



for three-point fix control, located by taut- 

 wire traverse 2562 139 



located by R. A. R. distances, strengthened 



by a taut-wire measurement 2573 144 



Location method, determining 25 111 



Planning 254 128 



Records required 8323 780 



Report required 8323 781 



Requirements, general 2544 130 



Sketch required 8323o 781 



Spacing buoys in line... 2541 128 



Statistics required 8323B 781 



strengthened by additional shore connections 2563 140 

 Buoy-control surveys 



Records and reports required (list) 8351D 785 



Statistics of typical 258 146 



(2853 188 



Buoy Data Book -^286 189 



[94 860 



Contents 94 860 



Buoy-intersection method of locating shore 



control stations 2283 86 



Buoy traverses (see Taut-wire measurements) 

 Buoy triangulation 



by quadrilaterals 2555 137 



by single triangles. 2554 136 



By-products information reported in Descrip- 

 tive Report 842T 790 



Cable crossings shown on smooth sheet- 7847 743 



Cable, electric, for R. A. R. shore stations 



Specifications 2613 149 



Testing 2613 149 



Cable, overhead, clearances 



Field data required... 3836 301 



shown on smooth sheet 78466 742 



Where data are available 3836 301 



Cables, submarine 



Field location of 3836 301 



reported by Coast Pilot reviser 9133a 815 



Caldron, definition 1682d 55 



Calibration velocity (see also Velocity calibra- 

 tion) 



of echo-sounding instruments, definition 6311 575 



Canals, Coast Pilot requirements 916 827 



Canyon, submarine, definition 1682d 55 



Cape, definition 16826 55 



Car couplers, railroad 



Description 2831 171 



for buoy anchors 2831 171 



for buoy counterweights. 281 163 



Joining to make buoy anchors 2831 171 



weights 2831 171 



Carbon-button element, hydrophone 5162 451 



Reference 

 No. 



Catamaran, description 4248 



Use in hydrographic surveys 4248 



Celestial bodies, finding in sextant 4524 



Celestial observations (see Astronomic obser- 

 vations; Sextant angles, vertical; 

 Star sights; and Sun sights) 



Celluloid (cellulose acetate) 7143 



Cleaning before use 7143 



disintegrates when near steel or felt 4536 



distortion 7114 



Inking on 7143 



pieces at positions of R. A. R. stations 7631 



smooth-sheet covering llSi 



tracings 7143 



Types obtainable, specifications 7143 



Celluloid ink 7261 



Celluloid print 1314 



Cellulose nitrate, fire hazard of 7143 



"Century" type 9136 



Chains (see Sounding chair) 



Challenger echo-sounding instrument 5.321 



Change points, velocity corrections, tabulation 



of 5614 



Changes in course (see Course, changes in) 

 Channel (s), navigable 



Coast Pilot requirements 916 



depths reported by Coast Pilot reviser 9133a 



development 3141B 



edges to be located .-^ 3141B 



Sounding lines diagonally across 3141B 



Soundings to half feet required 7713(6) 



Spacing sounding lines in 3152 



Characteristics, bottom (see Bottom, sea, 



characteristics) 

 Character of the bottom (see Bottom, sea, 

 characteristics) 



Chart agency inspection 9134 



Chart datums (see also Sounding datums) 1125 



Charted data (see Nautical charts, charted 

 data) 



Chart index map in Coast Pilots 9135A(4) 



Chart letter (see Nautical charts, chart letter) 

 Charts, nautical (see Nautical charts) 



Check angle required at detached positions {jtl 



Chemical sounding tubes 3115a 



Chernikeef log (see Log, electric submerged) 

 Chief of Party 



(79 



Approval of smooth sheet. <7941 



[925 

 79 



Inspection of smooth sheet ...■{7941 



[925 



Inspection of Sounding Record 818 



Supervision of hydrographic survey 3411 



Supervision of smooth sheet 79 



Chilowski 512 



Chimney, definition 8534C 



Chlorinity of sea water (see also Salinity) 



Definition 633 



Relationship to salinity (formula) 633 



Term preferred by oceanographers 633 



Chronograph, R. A. R 673 



amplifier 6724 



circuit diagram. fig. HO 



Description of , electrical 6724 



for criftig 6734 



gain control for bomb reception 6724 



hydro-radio switch, function. €724 



hydro-radio switch, operation 6724 



relay substituted for switch 6724 



switching operation, time required... 6724 



switch, operation... 6724 



attendant 



duties 6712 



duties during transmission of strays. 6852 



Dorsey (sec also Criftig) 



Control circuits for 6734 



Description 6733 



Features, principal 6733 



Fuse-interval determination 6733a 



operation 6733a 



Plotting interval from 6733a 



printing wheel ._ 6733a 



■ time markings g3^ 



Function 673 



Qaertner 6731 



Baldwin piano unit in , use of 6731 



chronometer (see Chronometer, break- 

 circuit) 



Description 6731 



magnets, substitution 6731 



Page 

 329 

 329 

 371 



662 

 663 

 377 

 658 

 663 

 703 

 699 

 718 

 662 

 662 

 665 

 17 

 662 

 821 



501 



828 

 814 

 199 

 199 

 199 

 715 

 203 



815 

 5 



816 



112 

 711 

 193 



747 

 751 

 846 

 747 

 751 

 846 

 769 

 250 

 747 

 440 

 803 



583 

 583 

 583 

 632 

 631 

 629 

 631 

 634 

 632 

 631 

 632 

 632 

 632 

 631 



627 

 652 



634 

 633 

 633 

 634 

 634 

 634 

 634 

 633 

 634 

 632 

 632 

 633 



632 

 633 



