TABLE V. — Densité de l'air, 
: 5 : E 274 h 
Celle de l'air à 0° et 0",76 étant prise pour unité, 0 = << 
4 76 274 + t 
Température t 
h h 
— 20° | — 19° | — 48° | — 17° | — 16° |] — 15° | — 44° | — 13° | — 42° | — 44° 
cm € em 
20 | 0.2839 | 0.2828 | 0.2817 | 0.2806 | 0.2795 | 0.2784 | 0.2773 | 0.2763 | 0.2752 | 0.2742 | 20 
24 | 02981 | 0.2969 | 0.2957 | 0.2946 | 0.2935 | 02923 | 0.2912 | 0.2901 | 0.2890 | 0.2879 | 24 
22 | 0.3123 | 0.3110 | 0.3098 | 0.3086 | 0.3074 | 0.3062 | 0.3051 | 0.3039 | 0.3027 | 0.3016 | 22 
23 | 0.3265 | 0.3252 | 0.3239 | 0.3226 | 0.3214 || 0.3202 | 0.3189 | 0.3177 | 0.3165 | 0.3153 | 23 
24 | 0.3407 | 0.3393 | 0.3380 | 0.8367 | 0.3354 À 0.3341 | 0.3328 | 0.3315 | 0.3303 | 0.3290 | 24 
25 | 0.3548 | 0.8535 | 0.3521 | 0.3507 | 0.3493 À 0.3480 | 0.3467 | 0.3453 | 0.3440 | 0.3427 | 25 
26 | 0.3690 | 0.3676 | 0.3662 | 0.3647 | 0.3633 | 0.3619 | 0.3605 | 0.3591 | 0.3578 | 0.3564 | 26 
27 | 0.3832 | 0.8817 | 0.3802 | 0.3788 | 0.3773 È o.3758 | 0.3744 | 0.3730 | 0.3715 | 0.3701 | 27 
28 | 0.3974 | 0.3959 | 0.3943 | 0.3928 | 0.3913 | 0.3898 | 0.3883 | 0.3868 | 0.3853 | 0.3838 | 28 
29 | 0.4116 | 0.4100 | 0.4084 | 0.4068 | 0.4052 À 0.4037 | 0.4021 | 0.4006 | 0.3991 | 0.3975 | 29 
30 | 04258 | 0.4241 | 0.4225 | 0.4208 | 0.4192 È 0.4176 | 0.4160 | 0.4144 | 0.4128 | 0.4112 | 30 
31 | 0.4400 | 0.4383 | 0.4366 | 0.4349 | 0.4332 À 0.4315 | 0.4299 | 0.4282 | 0.4266 | 0.4250 | 34 
32 | 0.4542 | 0.4524 | 0.4507 | 0.4489 | 0.4472 | 0.4454 | 04487 | 0.4420 | 0.4403 | 0.4387 | 32 
33 | 04684 | 0.4666 | 0.4647 | 0.4629 | 0.4611 | 0.4594 | 0.4576 | 0.4558 | 0.4541 | 0.4524 | 33 
34 | 0.4826 | 0.4807 | 0.4788 | 0.4770 | 0.4751 | 0.4733 | 0.4715 | 0.4697 | 0.4679 | 0.4661 | 34 
35 | 0.4968 | 0.4948 | 0.4929 | 0.4910 | 0.4891 À 0.4872 | 0.4853 | 0.4835 | 0.4816 | 0.4798 | 35 
36 | 0.5110 | 0.5090 | 0.5070 | 0.5050 | 0.5034 | 0.5011 | 0.4992 | 0.4973 | 0.4954 | 0.4935 | 36 
37 | 0.5252 | 0.5281 | 0.5211 | 0.5190 | 0.5170 | 05150 | 0.5131 | 0.5111 | 0.5091 | 0.5072 | 37 
38 | 0.5394 | 0.5373 | 0.5352 | 0.5334 | 0.5310 | 0.5290 | 0.5269 | 0.5249 | 0.5229 | 0.5209 | 38 
39 | 0.5536 | 0.5514 | 0.5492 | 0.5471 | 0.5450 | 0.5429 | 0.5408 | 0.5387 | 0.5367 | 0.5246 | 39 
40 | 0.5678 | 0.5655 | 0.5633 | 0.5611 | 0.5590 À 0.5568 | 0.5547 | 0.5525 | 0.5504 | 0.5483 | 40 
41 | 0.5820 | 0.5797 | 05774 | 0.5752 | 0.5729 | 0.5707 | 0.5685 | 0.5663 | 0.5642 | 0.5620 | 44 
42 | 0.5961 | 0.5938 | 0.5915 | 0.5892 | o.5869 | 0.5846 | 0.5824 | 0.5802 | 0.5779 | 0.5757 | 42 
43 | 0.6103 | 0.6079 | 0.6056 | 0.6032 | 0.6009 À 0.5986 | 0.5963 | 0.5940 | 0.5917 | 0.5895 | 43 
44 | 0.6245 | 0.6221 | 0.6197 | 0.6172 | 0.6149 || 0.6125 | 0.6101 | 0.6078 | 0.6055 | 0.6032 | 44 
45 | 0.6387 | 0.6362 | 0.6337 | 0.6313 | 0.6288 | 0.6264 | 0.6240 | 0.6216 | 0.6192 | 0.6169 | 45 
46 | 0.6529 | 0.6504 | 0.6478 | 0.6453 | 0.6428 || 0.6403 | 0.6379 | 0.6354 | 0.6330 | 0.6306 | 46 
47 | 0.6671 | 0.6645 | 0.6619 | 0.6593 | 0.6568 || 0.6542 | 0.6517 | 0.6492 | 0.6467 | 0.6443 | 47 
48 | 0.6813 | 0.6786 | 0.6760 | 0.6734 | 0.6708 || 0.6682 | 0.6686 | 0.6630 | 0.6608 | 0.6580 | 48 
49 | 0.6955 | 0.6928 | 0.6901 | 0.6874 | 0.6847 | 0.6821 | 0.6795 | 0.6769 | 0.6743 | 0.6717 | 49 
50 | 0.7097 | 0.7069 | 0.7042 | 0.7014 | 0.6987 || 0.6960 | 0.6933 | 0.6907 | 0.6880 | 0.6854 | 50 
51 | 0.7239 | 0.7211 | 0.7182 | 0.7154 | 67427 À 0.7099 | 0.7072 | 0.7048 | 0.7018 | 0.6991 | 54 
52 | 0.7381 | 0.7352 | 0.7323 | 0.7295 | o.7266 | 0.7238 | 0.7211 | 0.7183 | 0.7155 | 0.7128 | 52 
53 | 0.7523 | 0.7493 | 0.7464 | 0.7435 | 0.7406 | 0.7378 | 0.7349 | 0.7301 | 0.7293 | 0.7265 | 53 
54 | 0.7665 | 0.7635 | 0.7605 | 0.7575 | o.7546 | 0.7517 | 0.7488 | 0.7459 | 0.7431 | 0.7402 | 54 
55 | 0.7807 | 0.7776 | 0.7746 | 0.7716 | o.7686 À 0.7656 | 0.7627 0.7597 | 0.7568 | 0.7540 | 55 
56 | 0.7949 | 0.7917 | 0.7886°| 0.7856 | 0.7825 | 0.7795 | 0.7765 | 0.7738 | 0.7706 | 0.7677 | 56 
57 | 0.8081 | 0.8059 | 0.8027 | 0.7996 | 07965 È 0.7934 | 0.7904 | 0.7874 | 0.7844 | 0.7814 | 57 
58 | 0.8232 | 0.8200 | 0.8168 | 0.8136 | 0.8105 | 0.8074 | 0.8043 | 0.8012 | 0.7981 | 0.7951 | 58 
59 | 0.8374 | 0.8342 | 0.8309 | 0.8277 | 0.8245 | 0.8213 | 0.8181 | 08150 | 0.8119 | 0.8088 | 59 
60 | 0.8516 | 0.8483 | 0.8450 | 0.8417 | 0.8384 || 0.8352 | 0.8320 0.8288 | 0.8256 | 0.8225 | 60 
61 | 0.8658 | 0.8624 | 0.8501 | 0.8557 | 08524 | 08491 | 0.8459 0.8426 | 0.8394 | 0.8362 | 64 
62 | 0.8800 | 0.8766 | 0.8731 | 0.8698 | o.8664 | 0.8630 | 0.8597 | 08564 | 0.8532 | 0.8499 | 62 
63 | 0.8942 | 0.8907 | 0.8872 | 0.8838 | 0.8804 | 0.8770 | 0.8736 | 0.8702 | 0.8669 | 0.8636 | 63 
64 | 0.9084 | 0.9048 | 0.9013 | 0.8978 | 0.8943 || 0.8909 | 0.8874 | 08840 | 0.8807 | 0.8773 | 64 
65 | 0.9226 | 0.9190 | 0.9154 | 0.9118 | 0.9083 [|| 09048 | 0.9013 | 0.8979 | 0.8944 | 0.8910 | 65 
66 | 0.9368 | 0.9331 | 0.9295 | 0.9259 | 0.9223 À 0.9187 | 0.9152 | 0.9117 | 0.9082 | 0.9047 | 66 
67 | 0.9510 | 0.9473 | 0.9436 | 0.9399 | 0.9363 À 0.9326 | 0.9290 | 0.9255 | 0.9220 | 0.9185 | 67 
68 | 0.9652 | 0.9614 | 0.9576 | 0.9539 | 0.9502 È 0.9466 | 0.9429 | 0.9393 | 0.9357 | 0.9322 | 68 
69 | 0.9794 | 0.9755 | 0.9717 | 0.9680 | 0.9642 || 0.9605 | 0.9568 | 0.9531 | 0.9495 | 0.9459 | 69 
70 | o.9936 | 0.9897 | 0.9858 | 0.9820 | 0.9782 || 0.9744 | 0.9706 | 0.9669 | 0.9682 | 0.9596 | 70 
74 | 1.0078 | 1.0038 | 0.9999 | 0.9960 | 0.9922 À 0.9883 | 0.9845 | 0.9807 | 09770 | 09733 | 74 
72 | 1.0220 | 4.0180 | 1.0140 | 4.0100 | 1.0061 || 1.0022 | 0.9984 | 0.9946 | 0.9908 | 09870 | 72 
73 | 1.0362 | 1.0321 | 1.0281 | 1.0241 | 1.0201 | 1.0162 | 1.0122 | 4.0084 | 1.0045 | 10007 | 73 
74 | 1.0504 | 1.0462 | 1.0421 | 1.0381 | 1.0341 À 1.0301 | 1.0261 | 1.0222 | 10183 | 10144 | 74 
75 | 10645 | 1.0604 | 1.0562 | 4.0521 | 1.0480 | 1.0440 | 1.0400 | 4.0360 | 10320 | 10281 | 75 
76 | 1.0787 | 1.0745 | 1.0703 | 1.0662 | 1.0620 | 1.0579 | 1.0538 | 10498 | 1.0458 | 10418 | 76 
77 | 1.0929 | 1.0886 | 1.0844 | 1.0802 | 1.0760 | 1.0718 | 1.0677 | 4.0636 | 10596 | 10555 | 77 
78 | 11071 1.1028 | 1.0985 | 1.0942 | 1.0900 | 1.0858 | 1.0816 | 1.0774 | 1.0733 | 1.0692 78 
"79 1.1213 | 1.1169 | 1.1126 | 1.1082 | 4.1039 1.0997 | 1.0954 | 1.0912 | 1.0871 | 1.0829 79 
80 | 11355 | 14311 | 1.1266 | 1.1223 | 14179 | 14136 | 14093 | 14051 | 11009 | 1.0967 | 80 
Dif. | 0.0142 | 0.0141 | 0.0144 | 0.0140 | 0.0140 | 0.0139 | 0.0139 | 0.0138 | 0.0138 | 0.0137 | Dir. 
h | — 20°] — 49° | — 48 | — 470 | — 16° J — 15° | — 14°| — 43° | — 12°) — 11^ | h 
