. The Bell System technical journal . tories has been in waveguides,especially circular electric wave transmission. He holds several foreignpatents on waveguides and has published in German technical maga-zines. Member E. E. Zajac, , 1950, Cornell University; , 1952, Prince-ton University; , 1954, Stanford University; Bell TelephoneLaboratories, 1954-. Since joining the Laboratories, Mr. Zajacs workhas been in theoretical and applied mechanics in the Mathematical Re-search Department. Member of the American Society of ]\IeehanicalEngineers, Tau Beta Pi, Pi Tau Sigma, Ph

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. The Bell System technical journal . tories has been in waveguides,especially circular electric wave transmission. He holds several foreignpatents on waveguides and has published in German technical maga-zines. Member E. E. Zajac, , 1950, Cornell University; , 1952, Prince-ton University; , 1954, Stanford University; Bell TelephoneLaboratories, 1954-. Since joining the Laboratories, Mr. Zajacs workhas been in theoretical and applied mechanics in the Mathematical Re-search Department. Member of the American Society of ]\IeehanicalEngineers, Tau Beta Pi, Pi Tau Sigma, Phi Kappa Phi and Sigma Xi. PHYSIOGRAPHIC DIAGRAM OF THE ATLANTIC OCEAN SEE ELMENDORF AND HEEZEN ARTICLE PAGES 1047-1093 RHiMl^tfBfiiii^&i 80 70 65 60= 45° ^mm ?^£^s??.&i»F I _ ^^I^LCl^N^—3/ 7i fH--«=5=3F r;=- ^^-^^ ^^yS,^:^ ^-^-^vl -.„ ^^T. :;^NS ^ -^^ ^tG^:^* —~lf/ IX^.^ t^ =^ ~i^ -<^- ■i.^r.

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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1