70 Sir J. South — Vibrations caused by Railway [1863. 



1847, February 24.-- IV. 



No. 



Time. 



Observations. 



Yards. 



Remarks. 



7 



h m s 



7 59 6 



8 2 30 

 8 2 34 

 8 3 10 



Shaft gun. 



Star became visible. 



South gun ; star bright. 



834-5 



Velocity 11*4 miles; train 89*5 tons; 

 engine 18 ditto; length 308 feet. 

 Wind E. Therm. 24°. 



1847, February 27.— I. 



8 



7 28 



29 7 



30 34 

 7 30 44 



Shaft gun. 



Cross first seen, but star 



very faint. 

 South gun. 



Cross lost; star very 



722 



Velocity 15-4 miles; train 54 tons; 

 engine 14*5 tons ; length of train 

 172 feet. 



II. 



9 



lo 

 II 



12 



7 44 43 

 7 44 51 

 45 8 



45 27 



46 24 

 46 46 



Shaft gun. 



Cross very strong 



South gun. 



736 



470 

 326 



915 



Velocity 25- 6 miles ; train 49-5 tons ; 

 engine 14-5 tons ; length of train 

 150 feet. 



III. 



13 

 15 



7 56 21 



56 31 



57 45 



58 46 

 58 53 



South gun. 

 Shaft gun. 



706 

 314 

 736 



Velocity i j'6 miles ; train 270*5 tons ; 

 two engines 29-5 tons ; length of 

 train 663 feet ; 37 carriages. 



IV. 



16 



8 3 36 





736 



Velocity 317 miles; train 112 tons ; 





3 44 



Shaft gun. 





engine 21 tons ; length of train 



17 



4 6 





377 



394 feet; carriages 17. WindN.E. 



18 



4 14 



Triple line, upper and 





Thermometer 26°. 









319 







4 59 



South gun. 







19 



5 28 





1086 





V. 



20 



8 10 



56 





727 



Velocity 187 miles ; train 51*5 tons ; 





1 1 



8 



South gun. 





engine 12*5 tons; length of train 



21 



1 1 



56 





322 



187 feet. A train of empty cattle- 





13 



15 



Shaft gun. 





waggons. 









Cross lost from cloud... 



lost 





