66 



KNOWLEDGE 



March. 1915. 



"alues a° shown in the follo^ving table . 

 The Prktcipai^SekiesjnJodium 



{ 



( 



5896-16 



5890-19 

 / 3303-07 

 \ 3302-47 



2852-93 



2852-84 



2680-46 



2593-98 



2543-82 



2512-15 



2490-70 



2475-60 



2464-53 



2456-02 



2449-46 



2444-24 



2440-06 



2436-70 



2433-85 



2431 -43 



2429-42 



2427-72 



2426-28 



2425-00 



2423-88 



2422-90 



2422-04 



2421-29 



2420-60 



2420-02 



2419-50 



2419-00 



2418-44 



2418-09 



2417-71 



2417-38 



2417-10 



2416-80 



2416-56 



2416-33 



2416-11 



2415-89 



2415-70 



2415-52 



2415-37 



2415-21 



2415-06 



2414-94 



2414-78 



2414-64 



2414-50 



5896-16 \ 



5890-19/ 



3303-07 \ 



3302-47 / 



2853 04 \ 



2852-84 / 



2680-39 



2593-89 



2543-86 



2512-16 



2490-74 



2475-56 



2464-42 



2455-97 



2449-42 



2444-23 



2440-06 



2436-64 



2433-82 



2431-45 



2429-44 



2427-73 



2426-26 



2424-99 



2423-88 



2422-90 



2422-04 



2421-29 



2420-59 



2420-00 



2419-45 



2418-96 



2418-51 



2418-11 



2417-74 



2417-40 



2417-09 



2416-81 



2416-55 



2416-31 



2416-09 



2415-88 



2415-69 



2415-50 



2415-35 



2415-19 



2415-05 



2414-91 



2414-79 



2414-67 



2414-56 



Bevan. by foUo^g Wood, jnethod, has found 

 l;^ S^r^^PO^o" hK t W^t a,.aU 



Figure 60. calculated 



Jh' »TSSSraclacVTr?,n the Mo.endo* 

 Hicks formula : 1 09675 



^007564^ 

 w — 1 ' 



O.F. = 43482-61 - 



Ln _ -048596 

 as shown in the following table : 



6708-1 



3232-80 



2741-44 



2562-60 



2475-13 



2422-55 



2394-54 



2373-9 



2359-4 



2348-5 



2340-5 



2334-3 



2329-0 



2325-2 



2321-9 



2319-3 



23171 



2315-2 



2313-6 



2312-2 



2311-1 



2310-0 



2309-0 



2308-3 



2307 -5 



2307 -0 



2306-5 



Calculated. 

 C. 



6708-14 



3232-81 



2741-40 



2562-56 



2475-27 



2425-65 



2394-59 



2373-79 



2359-16 



2348-47 



2340-41 



2334-17 



2329 -26 



2325-31 



2322 10 



2319-44 



2317-22 



2315-34 



2313-74 



2312-37 



2311-18 



2310-14 



2309-24 



2308-43 



2307-73 



2307 -09 



2306-53 



«n.ed by a straight I'-J ^^.'^f^^ T horizontal 

 r;foT rr'iag a^'i'^gVen (see F.gure 60) 



r;s:e^'d"rro.^*Vt^:"ivTco„Unce- 



frequencies of these elements. 



• From the formulae 



OF =41448-67- 



U + -147408 - 



lor the less refrangible line, and ^^^^^^ 



O F = 41448-67 - -. ; :o3T3S\' 



for the more refrangible component of *^; f ^'' "J^^^rs in the table being mean values. 

 NoxH._After.=4 the two components of the Une are not given separately. 



