SUR L'ÉTABLISSEMENT DES ARCHES DE PONT. 
2 
TABLE I. 
VALEURS APPROCHÉES DE — (Arches incomplètes, dites en arc de cercle.) 
g Y Y 24 Y 
J = 0, — = 1,0 er 
ACATT VA J 
DiF. Dif, Di. 
,10 ,4038 10,3050 11,2044 
Dole | les es | 515 
,11 ,447o 10,992 11,2 ; 
vi Ma 77e kyk JET 
4,12 9,4903 10,3997 11,907D 
ARE] PARU a PAPE RU PR | LE 
il k 10, 2 11,3992 
$ ' 435 7 477 . 519 
4,14 || 9,5772 10,4949 11,411 
- 136 478 |——| 520 
4,15 || 9,6208 10,5427 11,4631| 
ne bin6sael À laossgost 7 uassast te: 
“ ,664 10,590 11,152 
DR 8] “? ds Lee Ale 
1 ;70 10, 11, à 
n î si #9 ms is N F1 
,1 ; 22 10, 11,01 
; ie ele, [688 [ 4 525 
FL , 2 10, 1 11,072 
, Ë = ur = — 183 [= = 526 
20 ,840 10, 1,72 
x HE TE = PEN Ia : 527 
,21 Ë 10,831 11, 
S 443 Fbse ft 7% sd 
4,22 || 9,9289 10,8805 11,8305 
1,23 3a| “4 187 | i,8834 | °29 
4,2 < 10,9292 aus 
a o [45 . 489 268 | 531 
,24 || 10,01 10,978: RTE 
RSR 447 EI 489 9009 533 
4,25 || 10,0625 11,0270 11,9898 
418 hg1 533 
4,26 || 10,1073 11,076: 12,0431 
| 449 &g2 535 
4,27 || 10,1522 11,1253 12,0966 
449 4193 536 
4,28 || 101971] ‘| 11,1746 12,1502 
451 494 c 538 
4,2 10,2422 11,2240 12,2040 
— |" 45 || 495 | 1 538 
4,30 || 10,2873 11,2735 12,2578 
453 496 540 
4,31 || 10,3326 11,3231 12,3118 
454 498 541 
4,32 || 10,3780 11,3729 12,3659 
455 499 243 
4,33 || 10,4235 11,4228 12,4202 
456 499 543 
4,34 10,4691 11,4727 12,4745 
>| 457 ©] 501 | — "| 545 
4,35 || 10,5148 11,5228 12,5290 
: 458 502 546 
4,36 || 10,5606 11,5730 12,5836 
459 504 548 
4,37 || 10,6065 11,6234 12,6384 
461 504 548 
4,38 ||10,6526| | 11,6738 12,6932 
461 506 550 
4,39 || 10,6987 11,7244 12,7482 
| 462 ———© | ,507 | — | 551 
4,40 || 10,7449 11,7791 12,8033 
SAVANTS ÉTRANGERS. — XII. 
12,1026 
12,1582 
12,2140 
12,2699 
12,3259 
12,382: 
12,4384 
12,4948 
12,9514 
12,608) 
12,6650 
12,7219 
12,7790 
12,8363 
12,8937 
12,9512 
13,0088 
13,0666 
13,1245 
13,1826 
3,2408 
13,2991 
13,3976 
13,4162 
13,4749 
13,5338 
13,5928 
13,6519 
13,7112 
13,7706 
13,8302 
Dif. 
556 
558 
559 
560 
962 
801 
1,1 Ye 149 Xe 30 
= 1, — — 1; — — 1, 
di fi 
—_—_———_—_——…— | 
12,9999 
13,0596 
13,1195 
13,1795 
13,2397 
13,3001 
13,3606 
13,4212 
13,4820 
13,54 29 
13,6039 
13,6651 
13,7265 
13,7880 
13,8497 
13,915 
13,9734 
14,0355 
140977 
14,1601 
14,2226 
14,2853 
14,3481 
14,4110 
14,474 
14,5374 
14,6008 
14,6643 
14,7280 
14,7919 
14,8559 
640 
