THE FIXING OF RATES 147% 
which the service is performed or to which the commodity is 
delivered, and whenever any common carrier, pipe line corpora- 
tion, gas corporation, electrical corporation, telephone corpora- 
tion, telegraph corporation, water corporation, wharfinger or 
warehouseman performs a service or delivers a commodity to the 
public or any portion thereof for which any compensation or 
payment whatsoever is received, such common carrier, pipe-line 
corporation, gas corporation, electrical corporation, telephone 
corporation, telegraph corporation, water corporation, wharfinger 
or warehouseman is hereby declared to be a public utility subject 
to the jurisdiction, control and regulation of the commission and 
the provisions of this act. F urthermore, when any person or cor- 
poration performs any service or delivers any commodity to any 
person or persons, private corporation or corporations, munici- 
pality or other political subdivision of the state, which in turn 
either directly or indirectly, mediately or immediately, perform 
such service or deliver such commodity to or for the public or 
some portion thereof, such person or persons, private corpora- 
tion or corporations and each thereof is hereby declared to be a 
public utility and to be subject to the jurisdiction, control and 
regulation of the commission and to the provisions of this act.” 
Public Service Control in New York. — In New York there 
has been for many years a Railroad Commission. In r1go3 a 
Commission was established for the contro] of gas and electric 
corporations. In 1907 these commissions were superseded by 
two public service commissions, which were not however given 
control over water companies. 
Public Service Control in Wisconsin. — In Wisconsin, too, the 
need for regulation of transportation rates first found expression 
in the creation of a railroad commission and, as in the case of 
California, the powers of this Commission were subsequently 
extended so that it is now a public service commission. This 
Commission exercises the same control over municipally owned 
utilities as over those which are privately owned. It has accom- 
plished much of the pioneer work in standardizing methods of 
procedure and its work is of great value in establishing the fun- 
damental principles of valuation as a basis for the fixing of rates. 
Public Service Control in Other States, — Many other states 
have public service commissions or railroad commissions with