82 
INFLUENCE DE LA TEMPÉRATURE SEULE 
TABLEAU 1. 
Quartz amorphe. Indices d’après Tromsdorff. 
Variations d’après Martens. tm — 59,8. 
Les An sans astériques sont mesurés d’après le cliché 163. 
* cliché 162 ** moyenne entre les clichés 160 et 161 *** cliché 161. 
Raïe ñn (N-n | N N | À nee Dh AN AN | 
spectr observé 105 | observé | calculé | ? bel hs Fe d 
Al 185 |1,57464| 52 |1,575 16 | 1,574 83 — 331 2,461 |2,319 | 2,308 |—"11 
Al 186 | 157268, 52 |1,573 20 | 1,57329 + 912,413 | 2,271 | 2,283 9 
Al 193 |1,56071| 50 |1,561 21 | 1,560 75 — 46/2,217 | 2,080 | 2,084 | + 4 
Al 198 |1,55204| 49 |1,552 53 | 1,552 70 |+ 1712,100 | 1,965 | 1,964|— 1 
Zn 202 ||1,547 29 | 49 |1,547 78 | 1,547 97 | + 19] — - — -- 
Zn 206 |1,542 69 | 48 |1,543 17 | 1,543 47 | + 30] 1,964* | 1,832 | 1,834 |+ 2 
Zn 210 ||1,53857 | 48 |1,539 05 | 1,539 12 + 7]1,881* | 1,750 | 1,776 | 26 
Cd 214 | 1,533 86| 47 !1,534 33 | 1,534 46 | + 13] 1,857* | 1,728 | 1,714 |— 74 
Zn 215 — 47 —, “1153346 |" =|1850* |1,701M4/763 1200 
Cd 219 111,529 11 | 47 |1,529 58 | 1,529 66 + 811,794* | 1,666 | 1,654 |— 2 
Cd 224 | — 47 | —  |1,52570| —|1,697* |1,570 | 1,605 + 35 
Cd 226 |1,52318| 46 |1.523 64 | 1,523 64 011,716* |1,590 | 1,581 |— 9 
Cd 231 ||1,51954| 46 |1,520 00 | 1,519 96 — 41 1,824***] 1,699 | 1,537 |— 162 
Cd 232 | 151890 | 46 |1,519 36 | 1.519 35 — 111,651* | 1,526 | 1,531 | 5 
Cd 232 |1,51834 46 |1,518 80 | 1,518 76 — A1 — — == _ 
Zn 250 || 1,507 62, 45 |1,508 07 | 1,507 97 |— 10] — nu 2e 2 
Zn 255 ||1,50472 44 |1,505 16 | 1,505 04 |— 19] — — — _ 
Cd 257 ||1,50397 | 44 |1,504 41 | 1,504 29 — 19] 1,495** | 1,374 | 1,366 |=— 8 
Cd 274 | 1,49634| 43 |1,496 77 | 1,496 67 |— 10] 1,420** | 1,301 | 1,291 — 10 
Cd 288 | — 48 ae... 30199 —| 1,349** | 1,232 | 1,248 | 16 
Cd 298 |1,48859 | 43 |1,489 02 | 1,48893 — 91 1,341** | 1,225 | 1,220 |— 5 
Cd325,5|  — 43 — —.. | —11,814#*|1,199/4,164 |" 35 
Cd 328? 1,48153| 42 | 1,432 25 | 1,481 53 |— 72] — | — — — 
Cd 340 ||1,47877| 42 |1,479 19 | 1,479 19 | O[ — — — = 
Cd 346 ||1,47766| 42 |1,47808 | 1,47806 — 2] 1,255** | 1,141 | 1,131 |— 10 
Ca 353 |1,47645| 41 |1,476 86 | 1,47691|+ 5] — — — — 
Cd 361 |1,47503| 41 |1,475 44 | 1,475 72 | + 28] 1,240** | 1,127 | 1,112 /— 15 
A1 394 |1,47086| 41 | 1,471 27 | 1471 36 + 9] 7% _ = — 
A1 396 |1,47069 | 41: | 1,471 10 11,47116 + 6] — — — — 
Cd 398 |1,47028| 41 |1,470 69 | 1,470 86 + 17] — — — — 
H 434 | 1,46690| 40 |1,467 30 | 1,467 46 + 161 — — — — 
Cd 441 | 1,466 30| 40 |1,466 70 | 1,466 84 + 141 1,151** | 1,041 1,050 + 9 
Cd 467 ||1,46433| 40 |1,464 73 | 1,46490 |+ 17] — — — — 
Cd 480 || 1,463 57 | 40 | 1,463 97 | 1,464 11 |+ 14] 1,129** | 1,020 | 1,032 |+ 12 
Cd 508 | 1,461 90| 40 |1,462 30 | 1,462 45 | 15] 1,129***| 1,021 1,02 + 1 
Cd 533 ||1,460 67 | 40 |1,461 07 | 1,461 21 |+ 14] — — _ — 
Cd 537 |1,46047| 40 |1,460 87 | 1,461 00 + 13] — — — 
Na 589 |1,45843| 39 |1,458 82 | 1,458 92 | 10] — — — _ 
Cd 643 |1,45673| 39 |1,457 12 | 1,457 15 + 3] — — . — 
H 656 |1,45640| 39 | 1,456 79 | 1,456 79 O[ — — — — 
