HimAztava Mountains, 355 
TABLE 6. 
Of the distance in Feet between the points of intersection of the Verticals, 
with the Polar Axis, for a given difference of Latitude. 
Difference of Latztude. 
nat.) 16. | aii ee. | 40 | 50 [66 | 7 | 36 ig l106 ae | 190 faa: 
ee ee 
~ , 
30 | 56 | 11-2 | 16-7 | 22:3 | 27-9 | 33-5 | 39-41 | 44-6.| 50-2 | 55:8 | 61-4 | 67-0 | 725 
32 | 55 | 10°9 | 16-4 |’ 21-9 | 97-4] 32-8 | 38:3 | 43-8] 49-2-1 54-7 | 60-2 | 65°6:| Tae? 
FABLE 7. 
Of the Spheroidal Correction of Latitude: 
| Argument, Difference of Latitude. | 
tomtetab se 146 a6 | sot | 6 | ede | oo aed 8. | 126 130 
” | ” 0 0 a a u t " " hy ” ‘9 
Vig 2 | 2 3 | 3 | 4 4 5 5 6 6 
TABLE 8. , 
Of the Factor for difference of Latitude, of the ends of a Perpendicular. 
Logarithm Logarithm Logaxithn : Logarithm 
Latitude. of Latitude. of Latitude. of Latitnde. of 
oat actor. __ Factor. Factor. Factor. 
oO 4 mine Oo ry 0 oO j 
30:00 0:1330 30:32 01423 31:02 0:1509 31°32 0'1594 
“02 1336 °34 *1429 04 “4515 *34 °1600 
04 °1342 °36 *1434 “06 °1520 *36 °1606 
“06 ‘1347 °38 *1440 08 °1526 °38 “1611 
08 °1353: *40 °1446 “10! "1551 *40 ‘1617 
10 °1359 
30:42 *1452 31:12 » 1537 31:42 1622 | 
30:12 "1365. . #4 "1457 “14 °1543 "44 1628 
14 137L | “46 1463 | 16; +1549 “46 1634 [ 
16 1376 °48 *¥469 13 “1554 *48 1639 
18 "1382 °50 °1474 “20 |. *1560 °50 1645 
*20 "1388 : 
| 30°52 "1480 31:22 "1566 “52 1650 
30:22 *1394 |. *54 | "1486 *24 °1572 *54 1656 
“24 "1440. } . "56 °1492 "26 °1577 56 1662 
26 °1405, . °58 *1497 28 "1583 58 1667 
"28 "14{T 31:00 °1503 °30 *1588 32:00 1672 
Ve therm ALT frrcetel neediest : 
VOL. XIV. 4X 
