56 Transactions Texas Academy of Science. — 1907. 
204.2 to 249.9 tons per train, or 22.4 per cent, and from 12.9 to 13.6 
tons per car, “equal to loads/ 7 or 5.4 per cent. On the average for the 
entire periods, 1901 to 1907, inclusive, the empty freight car mileage 
was 50 per cent of the loaded car mileage. 
The increase in the several items of train expense, comparing the 
year 1907 with 1902, of both the passenger and freight train services 
is shown by the following tables : 
Passenger Train Service per Train-Mile. 
Item. 
1902. 
1907. 
Increase. 
Per cent 
increase. 
A. Cost of Passenger Locomotives. 
1. Repairs on locomotives 
5.13 
5.70 
0.57 
11.1 
2. Wages of engineers and firemen 
5.92 
6.52 
0.60 
10.1 
3. Wiping and handling 
1.68 
2.13 
0.45 
16.8 
4. Stores (oil, tallow and waste) 
0.38 
0.39 
0.01 
2.7 
5. Fuel for locomotives...-. 
9.51 
11.90 
2.39 
25.1 
6. Other expenses 
1.04 
1.19 
0.15 
14.4 
Total 
23.66 
27.83 
4.17 
17.6 
B. Other Passenger Train Expenses. 
1. Repairs on cars 
5.41 
5.52 
0.11 
2.0 
2. Wages of trainmen 
5.15 
5.70 
0.55 
10.7 
3. Supplies (oil, grease and waste) 
0.30 
0.31 
0.01 
3.3 
4. Heating and lighting cars 
0.72 
1.00 
0.28 
38.9 
5. Cleaning cars 
1.01 
1.25 
0.24 
23.8 
6. Other car expenses 
0.53 
1.09 
0.56 
105.6 
Total 
13.12 
14.87 
1.75 
■ 13.3 
Grand total (cents) 
36.78 
42.70 
5.92 
16.1 
Freight Train Service per Train-Mile. 
Item. 
1902. 
, 1907. 
Increase. 
Per cent 
increase. 
A. Cost of Freight Locomotives. 
1. Repairs of locomotives.. 
7.57 
8.97 
1.40 
18.5 
2. Wages of engineers and firemen 
8.18 
10.17 
1.99 
24.3 
3. Wiping and handling 
1.94 
2.58 
0.64 
33.0 
4. Stores (oil, tallow and waste) 
0.53 
0.14 
0.09* 
17.0* 
5. Fuel for locomotives 
19.51 
22.65 
3.14 
16.1 
6. Other locomotive expenses 
1.28 
1.57 
0.29 
22.6 
Total 
39.01 
46.38 
7.37 
18.9 
B. Other Freight Train Expenses. 
1. Repairs on cars 
10.12 
16.72 
6.60 
65.2 
2. Wages of trainmen... 
7.96 
13.05 
5 09 
63.9 
3. Supplies (oil, grease and waste) 
0.45 
0.58 
0.13 
28.9 
4. Other expenses 
0.47 
0.85 
0.38 
80.9 
Total 
19.00 
31.20 
12.20 
64.2 
Grand total (cents) 
58.01 
77.58 
19.57 
33.7 
^Decrease. 
