Continuation ofthe Measurement of the Base,—February, 1819 
566 
$]— | comparator. | THE RODS. 2 é 
BS |e eae ee) ee aes 
=\2 os 8 s on 
elt S o6 ; REMARKS. 
DATE. S\3 3 4 : 2s a6 # 3 8 
Fle Bie 1.2 a3 a4 45 Se (22) gg yell] leve 5 
- : ‘5 'sS| en ENE Se |em Boi] si| 8 {8/8 
sj28| 3 2 3 3 3 a 14) 8 lala 
Sls Peale oe nS i=} a I< ole as Pi 
te Tanguetie, | Nonius;} Canguette. | Old N on | Feet) Inches. | Feety lp 
1819; Feb. j10) | 36 70,388} 313 3219} 28058) Bar ae arene +2907|—13 80] 3'3]. 40:8) 15 ought Over. © 
2 : 1 ties eee 2 y 
2 7a te 0 Jose 5 0:0] 0768) --+- Boor Set tripod 0:06 inch in advance. 
3 05 {757 1080} eves atefelys 12 01'5} 0:700 + 0:06 
3 11 |790 1103} 7 410) 0818) agen fone 
30s |750] 1068] .... suo0 |) ee Os Os ‘ 
| 256 \75:1| 1089] $8 11:5) O740) «-.. aoe 
300 |741 1073 Boo nine 7 39} 0:700) { , 
3.13 |76:2 1072 6 65) 0-873 once ats 
1a} 72 ($15 |770| 1077) ..-- Gone 9 77) 0-725 0 35 25 E.| +0398 72 
“ = 1307 |69-0| 1012) 7 10:5] 0683] --.- |... 
. 305 |72:9 1053 Pisinie Bod 10 4:8} 0'650) { 
3 01 {70:0 1030 8 16:0) 1055 ates aao8 
: a 48 |69:0| 1049] ...- aS 8  2:7| 0-700) 
255 |680| 1021; 7 13-3) 0780) .... tees 
242 |64-0 1002) doa0 sete 9 47) 0685) ‘ 
Sa00 || 1012} ~+§ 60) O'698) .... pane Set the tripod in advance ‘22 inch of 2:3 rod. 
a 1t 017 |42: 1012 er Fos 9 1) 0635 | + 0:22) Commence from wire of plummet. 
0 45 =j50'S 1054) 13 11:0] 0-769 Boon wees 
103 [586 1102}. Boe 12 00] 0695) . 
jnoe |e0 1096) 5 18-7}, 0.755) Ou) see = 
293 |70:0 1089 wee wae 5 50! 0670 
2 41 \76°5 1125 3 13-3] 0833 wee noes 
2 23 \70-4 1093} erate Goes 6 38:0} 0700 
13] 3 |2 55 |74 1080| 21 25} 0-750) .... see 0 19 45 E.| 0049 17 Set tripod in advance of 2:3 rod 0°16 inch. 
3 32 |768 TORU eneteers eee 7 4:9) 0725 + 0:16) Commence from wire of plummet. 
3 42 |83-9] 1104) 8 4150} 1°055| .... one: 
350 |82-7 1080 eens sees 14 32) 0-710 
| 3 50 |8l- 1083 6 55) 9919 on00 goa 
3 52 |81°9, 1069 sis = cone 11 4:1) 0:640] . 
14{ = \3 42 |77-0 1036 5 80} 0983) 3000 Soce {fe 0. 48 10 BE.) -0049 07 Set tripod in advance 0:375 inch. 
| 15) 3 : a ae ee at Beng 6 0°5| 0725) .... |0 39 20 E) :0197) 4 0:37} 06} 3:4 Commence from wire of plummet 6 feet above termination of last hypothenuse. = 
| 3:10 |69° 1007; .... 8 65| 0733! .... 
| 3.07 |65'°8 980) wits) oan Gone 
} 2°50 |63'8 Og6| eae Bec 6 28] 0-675 
Ig 34 |59-1 966) 6 7:0) 0:774 ad00 on00 Gaye over in consequence of rain.—Set the tiippd in advance 0:22 inch. ; 
161 5 i Br Se ne 2 ; ta Ores eee 1 02 30 E.| +0827; + 923} o1 Resume at wire of plummet. 
a2) 2 32 |78:0 1154) 11 4:5| 0°689) 
296 |764| 1147) ... acigo 
2 63. 182: 1163) 6 8:8] 0.798) 
321 [80°3 1100 pris og 
H 253 786 1128} 4 50] 0933 
2 52 |76. 1104 erie S000 
* 2 48 76. 4130} 5 12:0] 0-695 *a9 
: 2 38 |71'6 1082)... nee I é S ; 975% ane - 
4 9 Gs ' 4 et the tripod 0'375 inch in advance of the 4°5 rod.—Raining sli htly. 
HA ez: E a8 ae ee 2 ip aes oar ener beage 0 41 45 E) -0185)-+ 1-26} 05) 3:0 Resumed at wire of plummet. Beet 
4 33 |90- 1085| 10 26) 0-710) ... soae.|) once 
i 22 Be 088 non poco 6 7:0] 0-700} .... 
20 P 16 7 68] 080 5300 and |} oadr. ipod i inch ii 
18) 3 |3 47 |78° 1039} ,... oS 5 en 14 4-6] 0690! .... 10 30 10 BE] -on16 + 9:20) al Gia Set the tripod in advance 0-2 inch in order te change the direction of the hypothenuse. 
400. |80° 1038] 3 15:3) 0826] .... aera Ieee rf 
3.438 |78 1037) Bone Bone 5 1:3} 0:735) .... 
3 50 Lis 1024 4 17:3) 0'753 sane eae weer - 
3 50 5 “= rt H 
330 |74°3 £ ° is i 
19} 1 |2 47 |67- ‘ A - 
ralzolls; | 6841572 i ; oe) 9 F BA a t| oped Boal ts poe Set the tripod, but omitted to note the exact quantity in advance, it was less than > inch however. Resume at 
a Ls i 33 % i Bs 1) 127 plummet 134 inches above last hypothenuse, as the comparator was at this period of the measurement remark- 
110 fd v ably steady, Scarcely differing ‘002 in the! days worl, it was not deemed adyisable to lose so much time as the 
Mega . observing and entering its indications for each 50 feet.—The column is however filled up in order to have the! 
ee 2 reduction of the length of the rods. : 
10 28) 
8 47 | ‘ j 
eens . is . 
5 31 setts Le Dee 
ve jet tripod 0'505 inch in advance. ‘ 
. 5. 02:9) ae /OiG8 | 
1048] 7 03] 0700! .... ; 
146,285| 552 623:0) ara 600 2592] 38,996] 9-792 | -5808|—10:60| 6:3 | 15 
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