92 REPORT—1849. 

_ 1842. 
JaMuary ..cerecevcccsssors 37,674 
February .......+++- Ss'eisle'e se 35,534 « 
Marea icyens a Aistomerove’sistolreaetets's 42,509 
LANIT INS je sia keiroline wigs kleminindss -» 53,211 
Total, exclusive of Subscribers ...... 168,928 
Add. Subscribers 0% esses vee sees 23,226 
Total of passengers in 303 days ...... 645,910 persons— 
which, divided by 15, is = 43,061 tons. 
Engines and Carriages. 
No. of trains in all=10,528=same number of engines and tenders 
atl DCOnSiCACI TA isisc 2 sid\s.b exe oie, ware eee o's =126,336 tons. 
No. of 1st class carriages= 10,528 
No. of 2nd class carriages=33,427 
No. of 3rd class carriages=30,364 / 
Total of carriages=74,319 at 34 tons each=141,537 tons. 
Gross weight of engines and carriages.... 267,873 tons. 
Hence the total gross traffic in carriages and passengers 
Sli SOP URS. saree ok eb os cities pe se ae reek Se =310,934 tons. 
But a quantity of luggage and-parcels are carried on 
the line of which no correct account is kept; assuming 
this at an average of 10lbs. for each passenger, which 
645910 x 10 
O40 = 2,883 tons. 
$03 days’ total traffic... .0.. .2ss02 ens -- 313,817 tons. 
or 378,030 .38 tons per annum. 
But as the load is uniformly diffused over both sides of each set of rails, 
only one-half the above load passes over any one given length of rail— 
or STEN = 189,015 tons, 
the passage of which produces an abrasion of 1024°16 grs. per yard per 
1024°16 
189015 
or 1760 x*00542=9°5392 grs. per ton per mile. 


will probably be about the truth, we have 

annum. Hence =0-00542 grs. per ton per yard, 

There were 10,528 trains passed over the rail in 303 days ; assuming these 
10528 
303 x 24 
but as the trains only travel from 6 o'clock a.m. to 10 o'clock p.M., or 16 
out of the 24, it is at the rate of 2:171 trains per hour, or rather more than 
one every half-hour. This is probably as fast as locomotive trains are likely 
to travel constantly on any line; but the actual weight of each train will 
materially affect the amount of abrasion, as there can be no doubt that at 
some certain weight the substance of the iron would be ruffled and disinte- 
grated by the great pressure rolling over it. 
We can determine in this case the average weight per train, as follows: 
viz. 43,061 tons of passengers +2883 tons of luggage 

uniformly diffused over the 24 hours, it is = 1.447 train per hour; 
= 15944 — 4.56 tons of passengers and luggage per train, 
10528 trains, 
267873 2 ae iy AP : 
and tons of engines and carriages=25°44 tons average per train. 

10528 trains. 
