366 An Account of Experiments for determining the Length of 
The pendulum was now placed on itssupport, and the following 
experiments made for equalising the number of vibrations. 
Slider 18 divisions, ie 
Clock losing 0's Great weight alove. Barometer 
on mean time. 29°7. 
Time of |Arcof/a [> 5 6/* Slaactcl oS lauwf 
E | coinci- | vibra--|§ ¢} 5 gg/6 e/8 28 é| Be |$eas 
i , Sif S olCOl-= ao un (2.2"n0 
f | dence. | tion. BSSizisbes se Os os.4 
o m. 5s, ° _ 
June |66°8| 99 192 “29 | 
19th. et at pia 18} 518 |516 |\s6066-40| 2°28 |s6068-68 
66°81 46 30 | 9-93 |!"00} 520 | 518|86067-70} 1°63 |86069'33 
Mean |86069-00 
Clock | — 0-33 
2 a i poneich > ath eal; Sal nace lap i. 
66°8 | mean &86068-67 
Great weight below. 
66°6 “25 
12 oe | rag |t19] 513. |51t|se0ss-16| 2-32 sees 48 
66°7} 23 4. | 1-0, [26] 512 | 510|s6062°50} 1-84 |s6064-34 
Mean |86064°91 
Clock | — 0-33 
| Temp. | — 0:()4 
66:7 | Mean 8606454 
Here the vibrations were in excess; the slider was therefore 
placed at 29 divisions, and the second weight moved nearer to 
its knife edge. 
\ 
| ae paints Great weight alove. Bites 
Ock losing OU" "4 . : rsa 
ol siden ee Second weight moved. 29-7, 
tC) m, 5s, ° 2 
une O70] or 42 | 28 11813 506 |504 |se0se-49| 2-08 |s6c60-s7 
Es > | gigg [0°98] 509 | 507 |86060°50} 1°51 |86062-01 
66°9| 14 37 | 0:8S 
Mean |86C61°29 
Clock | — 0:33 
66-9| mean 86060°96 
Great weight Lelow. 
GUL) 24 39) 114 1.o71 S06 [504 }36058 49| 1°87 |86060°86 
51 
38.5} 101 | 
860) 
67-1] 41. 32 | egg 0°97] 507 | 505}86059-16 | 1°51 |86060'67 
Clock | — 0°33 
[Temp | + 0 09 
86066°27 
| 
| : Mean |86060°51 
67°! | mean 
