Temperature on the Viscosity of Air. 

 Table III.— Air. Fifth Series. 



211 



No. 



1. 

 2. 

 3. 



4. 

 5. 



6. 



7. 

 8. 



9. 



10. 

 11. 



12. 



13. 

 14. 

 15. 

 16. 



17. 



18. 

 19. 

 20. 

 21. 

 22. 



23. 



24. 

 25. 



26. 



27. 



Px~Pr 



Pi+Pv 



Vz-Pv 



i>2+iV 



a. 



h- 





Com- 

 puted 

 V2 



vi 



d. 



92-31 

 92-26 

 92-15 



83-93 



83-86 

 83-81 

 83-98 

 83-98 



77-39 

 77-34 

 77-34 



72-44 

 72-29 

 72-20 

 72-20 



70-20 

 70-28 

 70-23 

 70-05 

 70-05 

 70-10 



64-94 

 64-86 

 6512 

 64-98 

 65-12 



1418-23 

 1417-90 

 1417-71 



1423-93 

 1423-50 

 1423-35 



1422-78 

 142244 



1425-25 

 1425-16 



1425-08 



1429-96 

 1430-11 

 1430-14 

 1429-96 



1441-48 

 1441-22 

 1440-51 

 1440-43 

 1440-19 

 1440-10 



1446-20 

 1446-46 

 1446-42 

 1446-72 

 1446-94 



113-29 

 113-37 

 113-35 



122-09 

 122-13 

 122-27 

 122-41 

 122-25 



128-88 

 128-76 

 128-83 



133-48 

 133-59 

 133-49 

 133-59 



136-41 

 136-35 

 136-58 

 13611 

 136-14 

 136-16 



141-17 

 141-21 

 140-95 

 141-02 

 140-96 



1212-63 

 1212-27 

 1212-21 



1217-91 

 1217-51 

 1217-27 

 1216-39 

 1216-21 



1218-98 

 1219-06 

 1218-91 



1224-04 



122423 



224-45 



1224-17 



1234-87 

 1234-59 

 1233-70 

 1234-27 

 1234-00 

 1233-84 



1240-09 

 1240-39 

 1240-35 

 1240-70 

 1240-86 



•0036693 



13-70 

 13-93 

 14-21 



1-0374 

 1-0378 

 1-0378 



1-0383 



1-1176 



1-1850 

 1-2415 



1-2696 

 1-3368 



-•0006 



+•0004 



•0000 

 -•0004 



+•0002 

 -•0062 





Means = 

 •0036694 



13-947 



1-0377 



42-60 

 43-04 

 43-30 

 43-17 

 42-76 



1-1180 

 1-1178 

 1-1187 

 1-1178 

 1-1179 









Means = 



•0036694 



Means = 

 •0036695 



42-974 



1-1180 



67-74 

 67-74 

 67-94 



1-1861 

 1-1859 

 1-1831 



67-81 



1-1850 



88-67 

 88-64 

 88-85 

 88-92 



1-2381 

 1-2419 

 1-2419 

 1-2424 





Means = 

 •0036696 



88-77 



1-2411 



99-69 

 9902 

 98-93 

 99-41 

 9903 

 99-18 



1-2684 

 1-2686 

 1-2716 

 1-2695 

 1-2710 

 1-2695 









Means = 

 •0036697 



99-21 



1-2698 



124-61 

 124-36 

 124-17 

 124-22 

 124-69 



1-3321 

 1-3350 

 1-3279 

 1-3314 

 1-3264 







Means— 



124-41 



1-3306 



that I have thought it best to reject the sixth group wholly in 

 the computation of the empirical equation for this series on 

 air. I fully recognize that this rejection may be considered 

 somewhat arbitrary, and also that the retention of the sixth 

 group would make the accordance between the fourth and 

 fifth series greater than now ; but I am so fully satisfied that 



