1863.] 



Trains passing through a Tunnel. 

 1847, March 17.— Ill, 



75 



No. 



Time. 



Observations. 



Yards. 



Remarks. 





h m s 









119 



7 10 23 





828 



Velocity 22*9 miles ; train 74*5 tons ; 





10 43 



South gun. 





engine 12*5; train's length 171 feet. 



120 



11 32 





302 



121 



II 45 





336 







12 27 



Shaft gun. 







122 



12 47 





892 





1847, March 18.— I. 



123 



6 18 



12 





961 



Velocity 27*3 miles ; train's weight 





18 



38 





87 tons; engine 15 tons; length 



124 



19 



25 



(5) strong. 



314 



of train 345 feet. 



125 



20 



3 





666 







20 



5 



Shaft gun. 







126 



20 



20 





875 





127 



20 



26 





950 



The image oscillating in every direction. 



II. 



128 



6 38 32 





38 51 



129 



39 20 





40 9 



130 



40 11 



131 



40 24 



Cross strong .. 

 Shaft gun. 

 (5) very strong 

 South gun. 

 Strong cross .. 

 Cross lost 



902 



331 



692 

 870 



Velocity 30*4 miles ; train 78 tons ; 

 engine 19 tons ; length of train 246 

 feet. 



III. 



132 



6 55 II 





992 



Velocity 25-6 miles; train 63 tons; 



133 



55 32 





746 



engine 14 tons ; train's length 212 



55 43 



South gun. 





feet. 



134 



56 22 





307 





135 



56 33 





313 







57 16 



Shaft gun. 







136 



57 43 





1003 





IV. 



137 



7 14 12 





824 



Velocity 3i'6 miles ; train 72*5 tons; 



14 25 



Shaft gun. 





engine 14*5 tons ; train's length 



138 



15 





303 



254 feet. 



139 



15 12 





343 





140 



15 26 





484 







15 40 



South gun. 







141 



16 7 





1057 





V. 



142 



7 21 59 





705 



Velocity 22*9 miles; a light goods 



22 7 



South gun. 





train. 



143 



22 45 





326 







23 51 



Shaft gun. 







144 



24 5 





830 





VOL. XIII. 



G 



