1863.] Trains passing through a Tunnel. 71 



1847, March 11.— I. 



No. 



Time. 



Observations. 



Yards. 



Remarks. 



22 



h m s 



7 18 44 ; 



19 6 

 21 20 



South gun. 

 Shaft gun, cloud. 



802 



Velocity 177; train 147*5 tons ; en- 

 gine 1 2' 5 tons ; length of train 355 

 feet. 



11. 



23 



8 25 3 

 26 15 

 26 32 



Shaft gun, cloud. 

 South gun, cloud cleared 



921 



Velocity 33*0 miles ; train 122 tons; 

 engine 21 tons ; length of train 41 6 

 feet. Cross so strong, but for the 

 cloud it might have been seen 15 

 or even more seconds longer. 



1847, March 12.— I. 



24 



25 

 26 



27 



56 38 jSouth gun. 



56 52 jCross verv strong 



57 16 jStar tossed about 3 or 4 



58 2 ; Shaft gun. 



822 

 461 

 302-4 



766 



Velocity 28*33 miles ; train 68 tons ; 

 engine 15 tons ; length of train 231 

 feet ; many carriages but mostly 

 empty, many wheels and axles ; 

 agitation excessive. Seemed to 

 keep time with the jolts of the 

 train. 



II. 



28 



29 



30 



32 



13 26 jShaft gun. 



13 44 Cross verv strong 



13 56 iTriple line very strong . 



14 33 .South gun. 



811 



392 

 3°5 

 480 



1074 



Velocity 35*5 miles; train 59*5 tons; 

 engine 1 5 tons ; length of train 192 

 feet. Train does not stop at Wat- 

 ford. 



IIL 



33 

 34 



35 

 36 



37 

 38 



39 



40 

 41 



7 57 16 

 57 30 



57 47 



58 

 58 10 



58 16 

 58 25 



58 45 



59 4 

 59 H 

 59 31 



llmage much agitated... 

 1 Shaft gun. 



Parallel lines (5) very 



strong 



(5) still stronger 



|(5)ten lines, quite cover 



: South gun. 



1077 

 877 



478 



374 

 329 



302 

 431 



803 

 1045 



Velocity 30*9 miles ; train's weight 

 1 24 tons ; two engines 21 cons and 

 14 tons ; length of train 375 feet. 

 ^yind N., very weak. Thermometer 

 3i''5- 



