HOME-GROWN TELEGRAPH AND TELEPHONE POLES. 



93 



Separate prices should be quoted for larch and for Scots pine. 

 (See accompanying table showing the average cubic contents 

 for the various sizes of poles.) 



Short le/igf/is. — If it will assist the contractor — the Postmaster- 

 General will take twenty short lengths (round pieces, 8 feet long 

 5 to 6 inches in diameter) for every hundred poles supplied. 



A price (delivered at depot) should be quoted for these. 



Post Oificic Stores Department, 



17-19 Bedford Street, London, W.C. 



Noveiiiher 1914. 



Table of Average Cubical Contents (String Measure ^) 

 OF Red Fir Telegraph Poles, based on Measurement 

 OF Poles imported from Scandinavia. 



^ String measurement is tape under bark, quarter-girth measurements, at 

 middle of pole, 144 divisor; e.g., a 30-foot pole with 5 inches quarter-girth 



would be ' — ~ — —= 5-21 cubic feel. 

 144 



