134 Obseevations of Vibeations foe the Absolute Hoeizontal Intensity, 1845. 



Date. 



Dec. 29 



Dec. 30 



Dec. 30 



N. End of Magnet moving E. 



No. 



of 



Vib. 





 6 

 10 

 16 

 20 

 26 

 30 

 36 

 40 

 46 

 50 

 56 

 60 

 66 



Time 



of 



Transit. 



h. m. 



5 15 

 17 

 18 

 20 

 21 

 22 

 23 

 25 

 26 

 27 

 28 

 30 

 31 

 32 



53-4 

 26-5 

 28-7 

 2-2 

 4-3 

 37-4 

 39-6 

 12-8 

 14-8 

 48-3 

 50-3 

 23-6 

 25-7 

 58-9 



No. 



of 



Vib. 



70 



76 



80 



86 



90 



96 



100 



106 



110 



116 



120 



126 



130 



136 



Time 



of 



Transit. 



h. m. 



5 34 

 35 

 36 

 38 

 39 

 40 

 41 

 43 

 44 

 45 

 46 

 48 

 49 

 51 



0-9 

 34-1 

 36-2 



9-4 

 11-6 

 44-8 

 46-9 

 20-0 

 221 

 55-5 

 57-6 

 30-7 

 32-9 



60 



Time of 

 one 

 Vib. 



15-536 

 537 

 536 

 531 

 533 

 534 

 533 

 531 

 533 

 531 

 533 

 530 

 531 

 530 



N. End of Magnet moving W. 



No. 



of 



Vib. 



1 

 5 

 II 

 15 

 21 

 25 

 31 

 35 

 41 

 45 

 51 

 55 

 61 

 65 



Time 



of 



Transit. 



16 

 17 

 18 

 19 

 21 

 22 

 23 

 24 

 26 

 27 

 29 

 30 

 31 

 32 



8-2 

 10-4 

 43-6 

 45-7 

 18-8 

 21-2 

 54-3 

 56-4 

 29-6 

 31-7 

 4-8 

 6-7 

 39-9 

 42-0 



No. 



of 

 Vib. 



71 



75 



81 



85 



91 



95 



101 



105 



111 



115 



121 



125 



Time 



of 



Transit. 



34 

 35 

 36 

 37 

 39 

 40 

 42 

 43 

 44 

 45 

 47 

 48 



131 49 

 135 150 



15-3 

 17-3 

 50-4 

 52-4 

 25-6 

 27-7 

 0-8 

 2-7 

 35-9 

 380 

 110 

 131 

 46-2 

 48-4 



Time of 

 one 

 Vib. 



15-530 

 527 

 526 

 524 

 526 

 521 

 521 

 519 

 519 

 519 

 517 

 520 

 519 

 520 



BiFILAE. 



Time 



of 

 Obs. 



li. m. 



5 21 

 33 



38 

 47 

 52 



Mean 



Read- 

 ing 

 Cor. 



Sc. Div. 



549-2 

 548-9 

 548-3 

 549-1 

 548-9 



548-9 



Ther- 

 mome- 

 ter. 



37-7 



Mean observed time of one vibration = 15s-5274. Semi-arc of vibration, commencing 6°, ending 2°. Temperature 



of magnet, 40°-0. 





 6 

 10 

 16 

 20 

 26 

 30 

 36 

 40 

 46 



43 

 45 

 46 

 47 

 48 

 50 

 51 

 52 

 53 

 55 



27-4 



50 



1-3 



56 



3-7 



60 



37-4 



66 



39-9 



70 



13-7 



76 



16-2 



80 



49-8 



86 



52-4 



90 



26-0 



96 



56 

 58 

 59 

 

 1 

 3 

 4 

 5 

 6 



28-6 

 2-3 

 4-8 

 38-4 

 40-9 

 14-7 

 17-1 

 50-8 

 53-3 

 27-0 



15-624 



1 



620 



5 



622 



11 



620 



15 



620 



21 



620 



25 



618 



31 



620 



35 



618 



41 



620 



45 



43 

 44 

 46 

 47 

 48 

 49 

 51 

 52 

 54 

 55 



41-6 



51 



44-1 



55 



17-8 



61 



20-3 



65 



53-8 



71 



56-4 



75 



30-0 



81 



32-3 



85 



5-9 



91 



8-4 



95 



56 

 57 

 59 

 

 I 

 2 

 4 

 5 

 7 

 8 



41-8 

 44-3 

 17-7 

 20-0 

 53-4 

 55-7 

 29-0 

 31-4 

 4-6 

 6-7 



Mean observed time of one vibration = 15=-6041. Semi-arc of \ 



of magnet, 48°-4. 



15-604 



7 45 



543-6 



46-6 



604 



50 



546-3 





598 



55 



5411 





594 



8 2 



534-0 





592 



5 



533-1 





586 









580 



Mean 



539-6 





582 









574 









566 









g 6", ending If". 



Temperature 





 6 

 10 

 16 

 20 

 26 

 30 

 36 

 40 

 46 

 50 

 56 



52 



53 



54 



56 



57 



58 



59 



1 



2 



4 



5 



6 



4-7 



60 



38-3 



66 



40-6 



70 



13-8 



76 



16-2 



80 



49-6 



86 



51-8 



90 



25-2 



96 



27-4 



100 



0-8 



106 



3-0 



110 



36-4 



116 



7 

 9 

 10 

 11 

 12 

 14 

 15 

 16 

 18 

 19 

 20 

 22 



38-6 

 12-0 

 14-3 

 47-6 

 50-0 

 23-4 

 25-7 

 59-1 

 1-4 

 34-8 

 37-0 

 10-4 



15-565 



1 



52 



20-6 



61 



562 



5 



53 



22-7 



65 



562 



11 



54 



56-2 



71 



563 



15 



55 



58-4 



75 



563 



21 



57 



31-8 



81 



563 



25 



58 



34-2 



85 



565 



31 







7-5 



91 



565 



35 



1 



9-7 



95 



567 



41 



2 



43-1 



101 



567 



45 



3 



45-4 



105 



567 



51 



5 



18-7 



111 



567 



55 



6 



21-0 



115 



54-3 



15-562 



8 55 



538-8 



56-6 



565 



9 2 



539-3 



30-0 



563 



5 



539-0 



32-3 



565 



11 



538-8 



5-7 



565 



15 



538-4 



8-1 



565 



20 



537-8 



41-5 



567 







43-8 



568 



Mean 



538-7 



17-3 



570 







19-6 



570 







52-9 



570 







55-4 



573 







46-3 



Mean observed time of one vibration ^ 15'-5658. 



Semi-arc of vibration, commencing 5 J°, ending 1 J°. 

 of magnet, 47°- 6. 



Temperature 



