ON RAILWAY CONSTANTS. 



305 



Statement of the time occupied in performing the trip from Birmingham 

 'to Liverpool, 95 miles, down an average descent of 1 in 2462, and of 

 the time lost in stoppages, and slackening and getting into speed at the 

 Stations. 



m 



Started from Birmingham 4 47 301. , . „ , 



Arrived in Liverpool 8 51 0/'"'='"''^^ °^ stoppages. 



TIME LOST ON (HE ROAT). 



Getting up speed at Birmingham, f to 2f miles, = 2 miles 

 AtfuU speed would have been 



Stoppage at Wolverhampton, 13f to 15f miles, = 2 miles 

 At full speed 



Stoppage, &c. at Staflfbrd, 28^ to 31^- miles, = 3 miles... 

 At full speed 



Stoppage, &c. at Whitmore, 42^ to 44^ miles, = 2 miles 

 At full speed 



Stoppage, &c. at Crewe, 53 to 55^ miles, = 2^ miles ... 

 At full speed 



Stoppage, &c. at Warrington, 77i to 79^ miles, = 2 miles 

 At full speed 



Delay arising from overtaking Train on Liverpool and 



Manchester Line, 87| to 95| miles, = 8 miles 



At full speed 



2 18 

 5 11 

 5 52 



5 39 



6 35 

 26 16 



4 10 



Time which would have been occupied if the Train had started from Bir- 

 mingham at full speed, and travelled from thence to Liverpool without 

 stopping 



h m s 

 4 3 30 



56 1 



3 7 29 



Equal to an average speed of 30'4<0 miles per hour. 



On an average descent of 1 in 2462. 



Time, exclusive of dead stoppages, 3 hours and 30 minutes. 



Table of the uniform speeds attained by the " Hecla," with a load con- 

 sisting of the Tender and Twelve Carriages (=70 tons, gross) on the several 

 Gradients of the Grand Junction Railway. 



