TABLE II. SHOWING ORDINARY RUNNING DAILY AND YEARLY EXPENSES.

Col. 1

2

3

4

5

Compound.

Condens'g.

7 Cost of coal per I.H.P.

6

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

$5.00 per long ton

per I.H.P. per day.

per I.H.P. per day.

per day of 10 hours @Attendance of Boilers Attendance of Engine Oil, Waste & Supplies Total Daily Expense.

2240

lbs.

TABLE III. Same as Table II. except that weights of exhaust steam are used instead of per cents.

1.75 2.50 3.00 4.00 5.72 6.86 0.53

5.625

1.40

11.25

1.15

16.875

.93

2.00 2.44 3.20 4.58 5.58 1.55 1.88 2.63 8.55 4.30 1.15 1.31 2.13 2.63 8.00

0.75 0.90! 0.60 0.40

0.35

42

60

73

60

40

.47

56

60

.40

28

.35

89

60

22.5

40

.75

.75

75 1.72 1.72 1.72

23

23

23

60

40

These tables show the running expense independent of the first cost and maintenance of plant.
The double figures for condensing engine are arrived at as follows (see also Tables I. and IV.):
No exhaust steam used.

TABLE IV.-SHOWING COST OF PLANT PER I. II. P. TO CHARGE TO POWER.

AND INSURANCE PER I. H. P. PER YEAR,

ALSO DEPRECIATION, REPAIRS, INTEREST, TAXATION,

ALSO TOTAL YEARLY EXPENSE PER I. H. P.

0.367 0.918 0.207 0.092

2.502

16.570

24.087

5.66 16.16

.808

6.67

2.08

5.15 13.90

.695

.278]

5.33 1.67

4.60 11.60

4.00 1.25

4.00 9.25

.3231 .808 .182 .081 2.202 .695 .156) .070 1.894 .480 232 .580 .131 .058 1.581 .463 .185] .463 .104 .046 1.261

20.00 7.50 5.50 20.00 7.50 5.50

33.00

1.32

0.66

33.00 1.32

1.65 0.371 0.138 4.139 .138 4.139 .133 3.952 .133 3.952

*

.724

.724 .163 .072 .463. .104 .046

1.972

12.185 17.859

1.261

7.700

12.663

Condensing. Compound.

19.00

19.00

20.00

7.50 5.50 33.00, 1.32 0.66 1.65 0.371 0.138 4.139 20.00] 7.50 5.50 33.00 1.32 0.66 1.65 0.371 0.138 4.139. 7.59 5.00 31.50 1.26 0.63 1.575 0.354 0.133 3.952 7.50 5.00 31.50 1.26. 0.63 1.575 0.354 0.133 3.952

$2.92

7.47 2.33 5.50 15.30

$6.11

$18.36 $0.918 $0.367

$0.918

.865

316

865

172

.087 2.305

13 768

6.13 1.92 4.96 13.01

651

260

651

146

.065 1.773

11.796

80.207 30.092

$2.592

$16.570 $24.087

Engine.

Weight of exhaust steam used per 1 H. P. per hour.

Engine and piping complete.

Engine-house.

Engine foundations.

Total cost of engine plant.

Depreciation @ 4% on total

cost.

Repairs @ 2% on total cost.

Interest at 5% on total cost.

Taxation at 1.5% on cost.

Insurance 0.5% on engine and engine-house.

Totals of cols. 7, 8, 9, 10 and 11.

Boilers complete, including feed pumps, etc.

Boiler-house.

Chimney and flues.

Total cost of boiler plant.

Depreciation @ 5% on total

cost.

Repairs @ 2% on total cost.

Interest @ 5% on total cost.

Taxation @ 1.5% on cost.

Insurance @ 0.5% on total cost.,

Totals of cols. 17, 18, 19, 20, and 21.

Total ordinary running expenses-cols. 20, 21 and 22. -Table IV.

Total yearly expense per I. H. P. Cols. 12 + 22 + 23.

0.59 1.475 0.332 0.125 3.702 16.00. 5.00 8.00 29.00 13.01 4.07 7.20 24.28 10.03 3.13' 6.30 19.46 6.99 2.18 5.30 14.47

TABLE IV.-SHOWING COST OF PLANT PER I. II. P. TO CHARGE TO POWER.

ALSO DEPRECIATION, REPAIRS, INTEREST, TAXATION,

AND INSURANCE PER I. H. P. PER YEAR. ALSO TOTAL YEARLY EXPENSE PER I. H. P.

The condensing engine at 100% of es haust steam used becomes a non-condensing engine.