WOOD TECHNOLOGY 667 



Pike, W. A. (13217) 



strength of whitb pine, bricks and stone. Van Nostrand's Engin. Mag. 34 : 

 472. 1886. 



Pillow, M. Y. (13218) 



effect of high temperatures on the mode of fracture and other prop- 

 erties of a hardwood. Wood Working Indus. 6 (4) : 8-9, 30, illus. 1929. 

 Also pub. in South. Lumberman 1766: 58, 60. 1929; and Hardwood Rec. 

 68 (6) : 30, 32, 33, 54, 56, 58. 1930. 



PlNCHOT, GlFFORD. (13219) 



timber tests. Amer. Soc. Civ. Engin. Proc. 29 (4) : 133-134. 1903. 

 Plaskett, C. A. (13220) 



A DISCUSSION OF THE EFFECTS OF KILN DRYING ON THE STRENGTH VALUE OF 



douglas fir. Amer. Lumberman 2303 : 50^-51, illus. 1919. 



Port Orford Cedar Products Co. (13221) 



port orford cedar; its properties and uses. 32 pp., illus. Marshfield, Oreg. 

 1929. 



Porto Rico Department of Agriculture and Labor, Division of Forestry. 



(13222) 

 uses and characteristics of some native trees. P. R. Forest Serv. Circ 6, 

 4 pp. 1924. 



Record, S. J. (13223) 



the characteristic odor of certain woods. Wood Craft 18 (5) : 144-145 

 1913. 



— (13224) 



EFFECT OF THE SEASON OF CUTTING ON THE BEHAVIOR OF WOOD. Wood Craft 



20 (1) : 7-9. 1913. 



— (13225) 

 effect of time of cutting on properties of wood. South. Lumberman 945 : 



24-25. 1913. 



— (13226) 



HEARTWOOD AND SAPWOOD ; THE RELATIVE VALUE AND PROPERTIES OF EACH 



South. Lumberman 1004: 60-61, illus. 1914. 



(13227) 



judging the quality of wood. Hardwood Rec 37 (6) : 22-24. 1914. 



— (13228) 



LIGNUM-VTTAE ; A STUDY OF THE WOODS OF THE ZYGOPHYLLACEAE WITH REFERENCE 

 TO THE TRUE LIGNUM-VTTAE OF COMMERCE: ITS SOURCES, PROPERTIES, USES, 



and substitutes. Yale Univ. School Forestry Bull. 6, 48 pp., illus. 1921. 



— (13229) 



MAHOGANY AND SOME OF ITS SUBSTITUTES. Jour. Forestry 17: 1-8. 1919. 



— (13230) 



THE MECHANICAL PROPERTIES OF WOOD, INCLUDING A DISCUSSION OF THE FACTORS 

 AFFECTING THE MECHANICAL PROPERTIES, AND METHODS OF TIMBER TESTING. 



165 pp., illus. New York. 1914. 



— (13231) 



Panama "orey" wood and related species. Yale Univ. School Forestry Trop. 

 Woods 12 : 6-12. 1927. 



■ (13232) 



qualities of shuttles and shuttle woods. Wood Craft 19 (3) : 88-90. 

 1913. 



(13233) 



red gum. Amer. Architect 109 (2104) : 253-255, 259-261, illus. 1916. 



— (13234) 



sap in relation to the properties of wood. Amer. Wood Preservers' Assoc 

 Proc. 9 : 160-169. 1913. 



(13235) 



scented woods. Amer. Forestry 26 : 665-672, illus. 1920. 

 159455° — 40— vol. 2 8 



