132 Forestry Quarterly 



meters, and very rarely going below 2 millimeters. This distinc- 

 tion is much more striking than the figures would lead one to 

 think, and is easily used." 



Handles for axes, picks, etc., are now selected by weight as 

 influenced by the density of the wood. Red as well as White 

 hickory being included, since the Red has been found by experi- 

 ment to be just as serviceable for this purpose. The new specifi- 

 cations were prepared by the Forest Service, the result of much 

 study, covering strength tests, investigations of the growth of 

 hickory in the woods, processes of manufacture, and market 

 conditions. They have been adopted by the War and Navy 

 Departments, by several of the leading railroads and by the 

 Panama Canal Commission (who have already found that a 

 saving of one-fourth will be effected in expenditures for this 

 material), and have been approved by manufacturers and dealers. 



A large cargo of creosoted Douglas fir ties has been shipped by 

 the Dominion Creosoting Company, of Vancouver, to the Bengal 

 and North Western Railway, at Calcutta. 



The forest branch of British Columbia was instrumental in 

 obtaining this trial order, and acted as inspectors of the ties 

 before shipping. 



Ash, being strong and light, and because it will not split under 

 vibration or shock, is used for the propellors of aeroplanes, such 

 as are used in the present war. The frame-work of the machines 

 is frequently made of wood, spruce being used on account of its 

 straight grain and freedom from defects. Built-up layers of 

 spruce with mahogany centers is also used for the propellors. 



The operators of one of the largest departmental stores in the 

 Northwest, at Seattle, present a strong endorsement of wood 

 paving in place of the brick pavement formerly used, by stating 

 that the effect upon their employees of the resultant lessening of 

 noise has for them a commercial value which would permit of 

 their relaying the pavement when it becomes necessary. 



