VII- 13. FUJIKI, A., and NAGATA, M. An electronic measuring appara- 

 tus for sea wave pressure, type 6, Ja pan , Imperial Marine 

 Observatory , Kobe . Journal of Oceano graphy, vol. 7, nos. 1-4, 

 June 1956. (In Japanese) 



VII- 14. KATZ, ISADORE, and BEARD, C. I. Methods for measuring 

 ocean waves. Johns Hopkins University. Applied Physics Lab- 

 oratory. APL/JHU CF-2177. Silver Spring, Md. 8 p. 1954, 



VII- 15. KILLEN, J. M. Capacitive wave profile recorder, Proceedin gs 

 of the First Conference on Coastal Eng ineerin g Instruments , 

 Berkeley . California . October 31 - November 2, 1955 , p. 32-38, 

 1956. 



VII- 16. KNAPP, R. T. Determination of wave, surge, and ship motion. 

 Contract NOy-13116, Bureau of Yards and Docks. U. S. Naval 

 Station, Long Beach, California. 1951. 



VII-17. NETHERLANDS. RIJKSWATERSTAAT. Golfamplitudeschrijver 

 type S-57, werkwijze, opstelling en bediening (Wave amplitude 

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 The Hague. 22 p. September 1955. Includes English summary. 

 Dissemination restricted to U. S. Government agencies. 



VII- 18. RAO, V. N. An electronic sea- wave recorder, Transactions , 

 American Geo ph ysical Union , vol. 38, no. 1, p. 50-55, 1957. 



VII-19. ROBERTSON, A. C. C, and BILLINGS, J. A. Airborne sea 

 and swell recorder. Great Britain. Telecommunications Re- 

 search Establishment. T. R. E. Memorandum No. 127. Great 

 Malvern, England. 12 p. [l949] 



VH-20. SCANLON, T. S., Jr., and OSBORN, PALMER. Mark II tsunami 

 recorder. Scripps Institution of Oceanography. Wave Report 

 No. 97. [La Jolla] 16 p. September 1950. 



VII-21. SNODGRASS, F. E. Ocean wave measurements. Institute of 

 Engineering Research. Waves Research Laboratory. Technical 

 Report, Series 3, Issue 342. Berkeley: University of California. 

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VII- 22. - - - Mark IX shore wave recorder, Proceedin gs of the First 

 Conference on Coastal En g ineerin g Instruments , Berkeley , 

 California , October 31- November .2, 1955 . p. 61-100, 1956. 



VII- 20 



