ROSA: REGULATION OF NATURAL MONOPOLIES 207 



approved specifications; the steadiness of electric potential and 

 uniformity thruout a given city must be satisfactory; proper 

 precautions must be taken to safeguard the hves of the hnemen 

 and other employees of the company; the meters must be fre- 

 quently tested and provision made for extra tests on complaint; 

 portable and station instruments must be tested; lamp renewals 

 must be regulated and prices approved for other than free renewals, 

 and rules and regulations made (in the absence of local rules) 

 with respect to streets lights. 



Regulation of other utilities. Street railways and intwurban 

 electric railwaj^s must be regulated wdth respect to kind and qual- 

 ity of cars ; the speed of cars and car schedules ; kind of brakes, 

 headlights, doors, and other safety appliances; the method of car 

 heating and amount of heating required ; the method of car light- ' 

 ing and the quality and amount of light that must be supplied; 

 how the current is distributed from the sub-stations to the cars 

 and the variations in voltage permitted between sub-station and 

 cars ; how the railway current is returned from the cars to the sub- 

 stations, in order that the resulting electrolysis may do the 

 minimum of injury to gas and water pipes, lead sheathed cables 

 and other underground structures ; the repairs and upkeep of road- 

 way and rolling stock; the fares to be charged and the conditions 

 under which free transfers are issued ; the wages paid employees 

 and hours of labor; . the conditions under which new stock 

 may be issued ; approval of plans for extensions or alterations of 

 system; etc. 



Telephone companies must be regulated with respect to 

 method of running their wires, so as to give the best and most 

 reliable service possible under given circumstances; when and 

 where wires must be put underground; the precautions to guard 

 overhead wires against coming into contact with high potential 

 electric light or power wires ; when and under what circumstances 

 telephone and high potential electric wares may be put on the 

 same poles ; the rates to be charged for different classes of service, 

 both local and long distance; the service arrangements between 

 different companies, the restrictions imposed by telephone com- 

 panies respecting private exchanges and extensions; discrimina- 



