00906cam a22002891 4500 8831039 BD-DhUL 20150219204210.0 711021s1950 enka b 000 0 eng 50008926 GB50-3822 (OCoLC)165969 DLC OAkU OCoLC Uk DLC BD-DhUL QC403 .B3 1950 510 BAM Baker, Bevan B. (Bevan Braithwaite), 1890- The mathematical theory of Huygens' principle, by Bevan B. Baker and E.T. Copson. 2nd ed. Oxford, Clarendon Press, 1950. vi, 192 p. diagrs. 24 cm. Bibliographical footnotes. Wave theory of light. Diffraction. Copson, E. T. (Edward Thomas), 1901- joint author. 7 cbc oclcrpl u ncip 19 y-gencatlg ddc BK 4126 4126 0 0 ddc 0 510_000000000000000_BAM 0 NFIC 7402 DUSL DUSL GEN 1952-05-28 Gift 510 BAM 80426 2014-08-19 2014-08-19 BK