WOOD TECHNOLOGY 655 



Dewell, H. D. (12981) 



timber framing. 275 pp., illus. San Francisco. 1917. 



Dunlap, Frederick. (12982) 



density of wood substance and porosity of wood. Jour. Agr. Research 2: 

 423-428, illus. 1914. 



(12983) 



the specific heat of wood. U. S. Dept. Agr., Forest Serv. Bull. 110, 28 pp., 



illus. 1912. 



Dye, A. W. (12984) 



British tests on douglas fir. XL S. Dept. Com., Bur. Foreign and Dom. 

 Com., Com. Repts. 44: 282-283. 1922. 



Elmenborf, Armin, and Markwardt, L. J. (12985) 



mechanical test made on plywood. Hardwood Rec. 47 (6) : 23-24, 26, 28. 

 1919. 



Estrada, E. D. (12986) 



ON THE STRENGTH AND OTHER PROPERTIES OF CUBAN WOODS. Van NoStrand's 



Engin. Mag. 29: 417-426, 443-449. 1883. 



Fernow, B. E. (12987) 



government timber tests. U. S. Dept. Agr., Div. Forestry Circ. 7, 4 pp. 

 1891. 



(12988) 



progress in timber physics. U. S. Dept. Agr., Div. Forestry Circ. 18, 20 pp., 



illus. 1898. 



(12989) 



southern pine — mechanical and physical properties. U. S. Dept. Agr., 



Div. Forestry Circ. 12, 12 pp., illus. 1896. 



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SUMMARY OF MECHANICAL TESTS ON THIRTY-TWO SPECTES OF AMERICAN WOODS. 



U. S. Dept. Agr., Div. Forestry Circ. 15, 12 pp., illus. 1897. 



comp. (12991) 



timber physics, part i. preliminary report. U. S. Dept. Agr., Div. Forestry 

 Bull. 6, 57 pp., illus. 1892. 



comp. (12992) 



TIMBER PHYSICS. PART 2. PROGRESS REPORT. RESULTS OF INVESTIGATIONS ON 



long-leaf pine. U. S. Dept. Agr., Forestry Div. Bull. 8, 92 pp., illus. 1893. 



Forbes, R. E. (12993) 



western red cedar : its properties and uses. Tinibermaii 26 (6) : 49-50, illus. 

 1925. 



Forsaith, C. C. (12994) 



the morphology of wood in relation to brashness. Jour. Forestry 19 : 

 237-249, illus. 1921. 



Fujioka, Mitsunaga, and Takahashi, Kenzo. (12995) 



ON THE CAUSE OF THE DARKENING OF THE HEARTWOOD OF CRYPTOMERIA JAPONIOA 



don. Jour. Forestry 19 : 844-866. 1921. 

 Fuller, F. B. (12996) 



TESTING OF WOOD, GLUE AND PLYWOOD USED IN AIR. CRAFT CONSTRUCTION. Empire 



[State] Forester 13 (1) : 16-19, illus. 1927. 

 Gahagan, G. M. (12997) 



WOOD THAT IS DRY HOLDS NAILS BETTER THAN GREEN WOOD. II S. Dept. Agr. 



Yearbook 1927: 711-713, illus. 1928. 

 Garman, H. G. (12998) 



THE USE OF BALSA WOOD IN THE REPRODUCTION OF TONE FREQUENCIES. Yale 



Univ. School Forestry, Trop. Woods 14 : 31-32. 1928. 



Garratt, G. A. (12999) 



poisonous woods. Jour. Forestry 20: 479-487. 1922. 



Gaskill, Alfred. (13000) 



specific gravity and weight of the most important american woods. 

 Forestry Quart. 11 : 527-530. 1913, 



