VI CONTENTS 
Illustrations 
Figure 
1. Current in New York Harbor entrance at time of equatorial tides_________-__- 
2. Current in New York Harbor entrance at time of tropic tides________________- 
3. Current in Portsmouth Harbor entrance, N. H., showing effect of short-period 
COTS LGU 1S a a ee 
4. Current in Seekonk River, R. I., showing effect of short-period constituents ____ 
5. Diurnal current in Mobile Bay entrance at time of tropic tides_________-_____- 
6. Diurnal current in Galveston Bay entrance at time of tropic tides_____________ 
7. Current in San Francisco Bay entrance at time of tropic tides________________- 
8. Current in San Bernardino Strait, P. I., at time of tropic tides________________ 
9. Effect of nontidal current on reversing tidal current ___----~----------------- 
10. Mean current curve for Nantucket Shoals Lightship_-_--__-_-_-_--_-_-_______ 
11. Mean current curve for Swiftsure Bank Lightship_—--_-_-._-__________-_____- 
12. Mean current curve for San Francisco Lightship___--__--_-----------_-_____- 
13. Effect of nontidal current on rotary tidal current___--_--_________-__--_____- 
WL, Price @umaremie mage eo es se tS ee Sana s SSS 5555= 
1B. Ihillayiiom OF JPa@s @bvarsmh wae Wer + = Se Sas 
16. Automatic recording device for Price current meter______-_-------_-----__--- 
Aw kmanycunrentime ters shut terst closed) messes ae eee ni eee 
[Se kamnanwcunnentimn eben (Sitters) © per) pene ee eee eee eee 
19. Compass needle of Ekman current meter____--------------------------____- 
20. Graduated frame with compass ball receptacle__-__--_-_--___-__-__--_---_---- 
Jie Radio buoyeandsuse of radiolcunrent) Ae ber=s = === ema ee 
22. Curves of minimum cable requirement, 80-inch buoy--_----_-_--------------- 
23. Curves of minimum cable requirement, 120-inch buoy—_-------_--__---___-_- 
24. Tape scaling, radio current meter___-_____--------=---+---~--______________ 
Ds. TRevehto) Gbungsony waanere, Oval seo — 2. 2 ee esse 
QoemRadio current meter. 1M Ove Geno Cle] eee ee 
27. Radio buoy with relieving buoy anchored in depth of 30 fathoms ______________ 
28. Form 451, Flood, ebb, and slack (referred to tides) __________-+-------------- 
29. Form 451, Flood, ebb, and slack (double phases) --_-___---__---------------- 
30. Form 451, Flood, ebb, and slack (referred to currents) ---_-_----------------- 
Sila Hormeyj2o eclarm Oni GkC Om) ASO Tees ee ee 
32=)Graphicisolutionsor torcmatl a) (6) see ee 
33. Graphic solution of formulas (12) and EY hE ci Ro Ne ESN A Rem 
34. Graphic solution of formulas (18) and (19)__-__----------------------____-- 
Sis. Worn GO, Wylavavel mevolvonOMN = = oe se tessa 
36. Form 594a, Wind reduction (page summary) --------__---------.-=-=-------_- 
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