TIMBER FOR AEROPLANE AND PIT-PROP PURPOSES. 



97 



fir and one of Abies grandis, grown at Novar, were sent to the 

 laboratory by Mr F. Scott, Divisional Forest Officer, and as they 

 had already been well seasoned they were at once tested. As 

 the results were satisfactory, I arranged with Mr Scott to send 

 at once other four specimens of each of these timbers; the 

 results obtained are given in tabular form below : — 



Abies grandis, grown at Novar. 



When the Home Forestry Exhibit at Wembley was in pre- 

 paration, Dr Borthwick suggested that it might be useful to 

 make a few transverse and compression tests on samples of 

 sawn home and foreign-grown Scots pine, and to place the 

 fractured specimens on exhibit with labels showing in each 

 case the results obtained in the tests. The home-grown wood 

 came from the Atholl forest, and the foreign-grown wood was 

 supplied by the Warriston Sawmills, two pieces, each 5 feet 

 long and 7 inches by 2\ inches in cross-section, of each class 



