ON RAILWAY CONSTANTS. 



221 



July 11th, 1839. 

 Eight Second Class Carriages as before. 



tons. cwts. qrs. 

 Weight of Carriages and Load . .40 

 Six Passengers 9 



Gross weight 40 9 



Started spontaneously from a state of rest on a curve of one mile radius 

 on embankment. 



Dist. 



Yds. 







100 



200 



300 



400 



500 



600 



700 



800 



900 



1000 



1100 



Posts. 



15 



14 



13 



12 



11 



10 



9 



8 



7 



6 



5 



4 



Times. 



m s 

 38 30 



40 34 



41 40 



42 42 



43 37 



44 30-5 



45 23 



46 7 

 44 



47 20 

 55 



48 28 



Dist. 



Yds. 

 1200 

 1300 

 1400 

 1500 

 1600 

 1700 

 1800 

 1900 

 2000 

 2100 

 2183 



Posts. 



3 

 2 

 1 

 

 1 

 2 

 3 

 4 

 5 

 6 



Times. 



m s 



48 59-5 



49 31 



50 3 

 34 



51 6 

 41 



52 21 



53 8 



54 8-5 



55 27 

 57 54 



Diffs, 



31-5 



31-5 



32 



31 



32 



35 



40 



47 



60-5 



78-5 



Speed. 



6-49 

 6-49 

 6-39 

 6-60 

 6-39 

 5-84 

 511 

 4-35 

 3-38 

 2-60t 



Train brought to rest on the Plane 1 in 267 without the Break. 



Breeze down the Plane. 



* End of curve. -f- Stopped. 



July 11th, 1839. 

 Single Carriage, No. 12, descending on straight line. Gradient 1 in 267. 



tons. cwts. qrs. 

 Weight of Carriage and Load ... 5 

 Three Passengers 4 2 



Gross weight 5 4 2 

 From initial velocity 12*21 miles per hour. 



Breeze down the Plane. 

 • Stopped. 



