Full resolution (JPEG) - On this page / på denna sida - Sidor ...
<< prev. page << föreg. sida << >> nästa sida >> next page >>
Below is the raw OCR text
from the above scanned image.
Do you see an error? Proofread the page now!
Här nedan syns maskintolkade texten från faksimilbilden ovan.
Ser du något fel? Korrekturläs sidan nu!
This page has never been proofread. / Denna sida har aldrig korrekturlästs.
Observations of Vibration, 2nd of October 187(3.
Station Christiania; Lat. 59° 5^’ 43". Long. 10° 43’ 37".
Chronometer. Error at Station = O’1 42" 38’ Daily.Rate (s) = 4.’5 Accl.
Magnet (A) suspended.
Effect of 90° of Torsion = 2.26 Div. = 4/29. One Div. of Scale = 1/9.
At Commencement f Mean Time | 1A 50m p. m. f Semiarc ) 76’ f Temp, of I r, o( | t0 — 55.°U
At End J at Station j 2 2 j of Vib. ) 22.8 j Magnet j j t0 = 55.0 •
Scale moving apparently to the Right
Scale moving apparently to the Left
No. Time of No. Time of Time ■ No. Tim of No. Time of Time
of Centre passing of Centre passing of of Centre passing "of Centre passing. of
Vib. wire Vib. wire 100 Vib. Vib. wire Vib. wire 100 Vib.
0 2"- 33" 2 1/7 100 40" 38."I 7™ 16/4 5 2" 33 43 ’5 105 41" OO.’O 7™ I6.’5
10 34 5-3 110 41 21. 7 16.4 15 36 27 i 115 41 43-5 16. 4
20 34 49.0 120 42 5- 5 16.5 25 35 IO 7 125 42 27. i .6.4
30 35 32.7 ’30 42 49.2 16.5 35 35 54 5 135 43 11. 0 16.5
40 36 16.3 140 43 33-0 16.7 45 36 ’ 38 0 145 43 54-5 16.5
50 37 O. O ■5o 44 16.5 16.5 55 37 2 i 7 155 44 38.3 16.6
Diff. 3 38T3 30 Diff. 3 38 2 29
100 at 2 40 38 -3 Mean (’) = 7 16.5 105 at 40 59 9 Mean (2) = 7 16.48
T, = T ’ 1
1 —
| ’ 86400
1 ~~ 86400
aa’
~~ 16
aa’
’ 16
H
86400
1 + ’
F
in.
+ >>-
x
a♂ I T , _
~16f
= 0.99995
= 0.00001
= 0.99994
— 1.00079
0.00282
0.99997
= 0.00088
T s M J. " _
H
H
F~
Mean (1):
„ (2) =
T -
il ’r =
: 7" 16.50
7 16-48
: 4/3649 Log. = 0.63997
. Log. = 9.99997
T, Log. = 0.63994
2
T,3 Log. = 1.27988
1 m v — 1 ’) + f-
fiLog.
»K ,
x Log.
ft ^ = o 00088 Log.
Observation of Torsion.
Circle turned
+ 180" =
— 180° =
Scale
40
44-3
39-5
35-5
40.5
Mean
39-75
40. o
= 6.29003
= 9-34714
= 6.94289
Di ft’.
4-55
......Log. = 9.99950
TJ Log. = 1.27938
71-K Log. rr 1.69705
C3 Log. = 0.41767
Log. = 9.34837
mX— =X"- Log. = 1.06930
X’ = 3.4249 Log. = 0.53465
rø’2 Log. = 9.76604
m’ — 0.76387 Log. = 9.88302
4-5
4-5
go0 — 2.-26 — 4-’29
Observer Carl Wille.
<< prev. page << föreg. sida << >> nästa sida >> next page >>
