200 METHODS OF COMMUNICATION FOR FOREST PROTECTION 



3 PREPARATION AND PRESERVATION OF POLES 



The following books have been issued by the United States Forest Service, aiiu 

 may be procured from the Superintendent of Documents, Washington, D.C., U.S.A., 

 at the prices indicated: 



" Prolonging the Life of Telephone Poles " (reprint from the Year Book of the 

 United States Dept. of Agriculture, 1905) price, 5 cents. 



" Seasoning of Telephone and! Telegraph Poles," United States Forest Service 

 Circular 103 price, 5 cents. 



" Brush and Tank Pole Treatment," United States Forest Service Circular 104 

 price, 10 cents. 



" Test of Eocky Mountain Woods for Telephone Poles " price, 5 cents. 



" Preservative Treatment of Poles," United States Forest Service Bulletin 84 

 price, 15 cents. 



4 MILITARY SIGNALLING AND TELEPHONY 



*" Training Manual Signalling" (provisional 1915), issued by the General Staff, 

 War Office, Great Britain; obtainable from the Department of Militia and Defence, 

 Ottawa price, 25 cents. 



" Signalling " by E. J. Solano, published by John Murray, Albemarle 'St., London, 

 W., England price, 25 cents. 



*" Manual of Visual Signalling, 1906," issued by the 'Signal Corps, United States 

 Army, sold by the Superintendent of Documents, Washington, D.C., U.'S.A. price, 

 35 cents. 



*" Electrical Instruments and Telephones of the United States 'Signal Corps," 

 sold by the Superintendent of Documents, Washington, D.C., U.S.A. price, 65 cents. 



" Instructions in Army Telegraphy and Telephony," Vol. 1, by the General 

 Staff, War Office, Great Britain, obtainable from the Department of Militia and 

 Defence, Ottawa price, 50 cents. 



*" Field Telephones for Army Use" by E. J. Stevens, published by Crosby, 

 Lockwood & 'Sons, London, England price, $1. 



*" Field Equipment for Signal Troops," issued by the Signal Corps, United States 

 Army, obtainable from the Army Signal School, Fort Leavenworth, Kansas, U.S.A. 

 price, 25 cents. 



" The Buzzer and Other Devices for Induction Telegraphy," issued by and obtain- 

 able from the same authorities as the preceding price, 25 cents. 



*" Signal Book, United States 'Army " 1916, sold by the Superintendent of Docu- 

 ments, Washington, D.C., U.'S.A. price, 20 cents. 



5 TELEPHONE TROUBLES 



*Hyde's " Telephone Troubles and How to Find Them," published' by W. H. Hyde 

 & Co., Milwaukee, Wisconsin, U.S.A. price, 25 cents. 



NOTE. 'Most of the books on Telephone 'Science and Line Construction listed 

 herein contain chapters on the location and clearing of trouble. 



6 SPECIALIZED FIRE PROTECTION 



*" Fire Protection in District ~N~o. 1 Misc. Pub. 0-7," issued by the United States 

 Forest Service, sold by the 'Superintendent of Documents, Washington, D.C., U.S.A. 

 price, 15 cents. 



*" National Forest Fire Protection Plans," issued by the United 'States Forest 

 Service, sold by the Superintendent of Documents, Washington, D.C., U.'S.A.- price, 

 'IB cents. 



