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



1847, March 18.— VI. 



No. 



'Time. 



Observations. 



Yards. 



Remarks. 



145 



146 



147 

 148 



149 



h m s 



7 36 54 

 •J7 26 

 38 20 

 38 30 



38 40 



39 37 



40 3 



South gun. 

 Shaft gun. 



888 



311 



303 

 320 



895 



Velocity 18-2 miles ; train's weight 84 

 tons ; engine 1 6 tons ; train's length 

 187 feet. All the images inosculated 

 during the train's passage through 

 the tunnel ; yet when it was gone 

 the star was perfectly steady. Wol- 

 verton goods train. 



VII. 



150 

 151 



152 

 153 



154 



7 41 



41 13 

 41 19 



41 43 



42 



42 39 



43 14 



Shaft gun. 



(5) 



(5) strong 



South gun. 



896 

 721 



373 

 303 



1141 



Velocity 29*7 miles; train's weight 

 62*5 tons ; engine 14*5 tons ; train's 

 length 204 feet. As in last the images 

 inosculated; even the lines of (5) ran 

 into each other. Peterborough light 

 train. 



VIII. 



155 

 156 



157 



158 



7 59 5 

 59 25 

 59 31 



8 10 

 30 

 54 



Shaft gun. 



(5) 



South gun. 



nil 

 740 



367 

 1115 



Velocity 40*2 miles ; train 128 tons ; 

 engine 19 tons. ; length of train 458 

 feet. 



IX. 



159 



160 



161 

 162 



163 



8 38 36 



38 46 



39 

 39 10 

 39 18 



39 43 



40 3 



Shaft gun. 



(5) 



South gun. 



818 



406 

 310 

 481 



1076 



Velocity 41*62 miles; train 61-25 ^^^^ '•> 

 engine 2375 tons; length of train 

 144 feet. 



1847, March 19.— I. 



164 



165 

 166 



167 



6 39 55 

 40 8 

 40 10 



40 25 



41 

 41 37 



Shaft gun. 



Line very distinct 



Cross extremely bright.. 

 South gun. 



858 



606 

 390 



1128 



Velocity 37-9 miles ; train 9275 tons. ; 

 engine 2375 tons; train's length 

 284 feet. 



Observed by the Marquis of Blandford 



