146 



METHO'DS OF COMMUNICATION FOR FOREST PROTECTION 



answer is not immediately obtained. If unable to get the station after several attempts, 

 call another station and. try to get a test with it. 



While the standard instruments and apparatus of the Forestry Branch are among 

 the best made, and liability to trouble with their mechanism has been reduced to a 

 minimum, nevertheless the conditions of use of forest lines are such that certain 

 defects will develop from time to time and frequent, careful inspections are necessary 

 to maintain the equipment at maximum efficiency. 



Seat/on A A 



8 Wraps o~F* /2 Wire 



Fig. 94 Stub reinforcement of poles 



The following list of faults taken from the circular of instructions issued by 

 District No. 5 of the United States Forest iService will be of assistance to those who 

 are not experienced in making thorough inspections of telephone apparatus: 



All parts of receiver should be intact. 



Receiver cord should be intact. 



All nuts on receiver should be tight. 



