Table 1.-Commercial and municipal central electric stations: 1907 and 1902....

Table 2.-Central electric stations operated by street-railway companies: 1907 and 1902.

Ownership of central electric stations.....

Table 3.-Commercial central electric stations-Number, by character of ownership: 1907 and 1902..

Table 4.-Commercial central electric stations, by character of ownership: 1907.....

Table 5.-Purely electric and composite central electric stations, by character of ownership: 1907.......

Table 6.-Purely electric and composite central electric stations-Commercial and municipal: 1907 and 1902.

Relationship of population and central stations....

Table 7.-Central electric stations-Relation of leading items to population, by geographic divisions: 1907 and 1902.

Thirty-four selected cities grouped in four classes according to their estimated population in 1902..........

Table 8.-Central electric stations in 34 selected cities, by groups, according to population: 1907 and 1902......

Table 9.-Central electric stations in 34 selected cities-Income from "All other electric service: " 1907 and 1902

Table 10.-Central electric stations in 34 selected cities-Generating equipment: 1907 and 1902.

Large and small stations.......

Table 11.—Commercial and municipal central electric stations-Number, by dynamo capacity of stations: 1907 and 1902 ....

Table 12.-Purely electric and composite central electric stations-Number, by dynamo capacity of stations: 1907 and 1902..

Table 13.-Central electric stations-Number, by dynamo capacity and by geographic divisions: 1907 and 1902...

Consolidation of electric stations with other enterprises.......

Commercial and municipal central electric stations Number and kind of associated enterprises: 1907.

Table 14.-Comparative summary-Central electric stations and gas plants..

Municipal plants...

16

17

17

17

18

19

20

20

22

23

24

25

25

26

26

27

27

27

27

28

28-34

Table 15.-Municipal central electric stations-Number, with additions since 1902, by geographic divisions: 1907.

Table 16.-Municipal central electric stations-Number, by population of cities in which located and by geographic divisions:

1907 and 1902.....

29

29

1902......

Table 17.-Municipal central electric stations, by population of cities in which located and by geographic divisions: 1907 and

Table 18.-Municipal central electric stations which supply the entire electric service in the cities where located, by geographic

divisions: 1907 and 1902...

Table 19.-Municipal central electric stations which do not supply the entire electric service in the cities where located, by

geographic divisions: 1907 and 1902..

Municipal central electric stations that render the entire electric service and those that do not-Per cent distribution of in-

come, by geographic divisions: 1907....

30

32

3333

34

CHAPTER III.

POWER EQUIPMENT.

Primary-power equipment of central stations and electric railways.............

Table 20.-Central electric stations and electric railways-Number and horsepower of the primary-power machines, by kind of

power: 1907 and 1902...........