4 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I ID 



Table i. — Summary of 1947 comparisons 



Calories Corrected Constant 



by reading of of Deviation 



Date water-flow silver-disk silver-disk from 



1947 Time No. s S.I. No. Sbis S.I. No. Sbis mean 



Aug. 26 lo" 56" 1.510 4-154 .3635 + II 



II 03 1.502 4.158 .3612 —14 



14 1.512 4-178 .3619 — 7 



22 1.509 4.170 .3619 — 7 



29 1.496 415s .3600 —26 



36 1.497 4-149 .3608 — 18 



Aug. 27 10 10 1.520 4-228 .3595 —31 



17 1-519 4-135 .3674 +48 



24 1.531 4249 -3603 —23 



31 1.518 4-193 -3620 - 6 



42 1.528 4.204 .3635 + 9 



49 1.52s 4.193 .3637 +11 



56 1.523 4.186 .3638 + 12 



II 04 1.527 4.212 .3625 — I 



12 1.563 4-267 .3663 +37 



19 1-556 4.276 .3639 + 13 



26 1.538 4.268 .3604 —22 



33 1-538 4-217 .3647 +21 



Date 



1947 Time 



Aug. 26 7" 



Aug. 27 



Mean, 15 values = .3650 

 Average deviation, 33 values, .0022. 

 Probable error, .0003, or .08 percent. 



