210 Mr. H. II. Lester: Determination of Work Function 

 Carbon (continued). — Filament f 3. (Alternating current method.) 



e. 



i. 



*V 



D T . 



E. 



TxlO- 6 . 



V. 



Fil. sh. 



St. sh. 

 <p+~(A0). 



5( A «). 



<p. 



2000 



•698 

 •698 

 •700 

 •700 



34 

 332 

 36-5 

 34-6 



338 

 33-3 



598 

 10 



4-521 

 4-510 

 4-510 

 4-539 



1605 

 1635 

 1613 

 1600 



36 

 36 

 36 

 36 



4-442 



5-231 



•301 

 •301 



493 

 4-14 



Mean . 





4-53 









Filament #4. — After exhaustion in vacuum furnace. 



1700 



•882 

 ■882 

 •882 

 •882 



6-8 

 6-7 

 6-7 

 6-8 



5-48 

 4-2 

 2-75 

 6-97 



8-441 

 8-441 

 8 527 

 8-527 



660 

 630 

 692 



700 



24 

 24 

 24 

 24 



4936 



5-2072 



•240 

 •240 



•24 

 •24 



4-97 

 4-70 



1740 



■895 

 •895 

 •895 

 •898 



•934 

 •934 



6-8 

 6-8 

 68 

 6-5 



7-25 

 7*25 



5-6 

 16 

 3-03 

 356 



8-398 

 8-398 

 8309 

 8-317 



565 

 555 

 521 

 510 



24 



24 

 24 



24 



4-667 



4-621 



4-38 

 4-43 



1900 



7-25 

 619 



8-511 

 8-518 



1012 

 1022 



24 



24 





5-104 



•27 



483 



Mftan 





466 

















Mean of all values 





4-55 



Value of " b " corresponding to 4*55 = 52800. 

 Molybdenum. 

















Fil. sh. 



St. sh. 







e. 



i. 



D*. 



D T . 



E. 



TxlO- 6 . 



Y. 



24 



t+f(A6)- 



t+"m. 



e 



<p. 



1-410 



34-2 



14-6 



1-263 



282 











1750 



1-410 



34-4 



173 



1-259 



278-5 



24 



4-870 





•248 



4-622 



1-410 



34-8 



20^ 



1-259 



279-5 



24 













1-410 

 1-500 



34-2 



11-9 



1-263 



279-2 



24 





4-846 



•248 



4-598 





38-2 



335 



1-290 



563-5 



24 











1850 



1-500 



38-0 



25-25 



1-291 



562-5 



24 





4-943 



•264 



4-679 



1-500 



38-3 



36-9 



1-285 



557-5 



24 















1-500 



379 



19-9 

 332 



1-290 



557-5 



24 



4-862 







•264 



4-598 



1-545 



39 9 



1-331 



1014-5 



24 



4 848 





•274 



4-574 





1-545 



401 



65 9 



1331 



1070 



24 











1900 



1-550 



40-4 



580 



1-331 



1050 



24 















1-550 



40-6 



42-0 



1-336 



1072-5 



24 





4-863 



•274 



4-580 



1-575 



420 



69-9 



1-326 



1150 



23 5 









1975 



1-575 



42-3 



36-4 



1-328 



1150 



23-5 



4-861 





•281 



4-580 



1-575 



41-3 



43-75 



1-329 



1160 



23-5 













1-575 



43-1 



64-5 



1-329 



1188 



23-5 





4-745 



•281 



4-464 



















Me»n 





4-588 



b ,? = 53200. 



