86 INDEX. 



Page. 



Drying wood ........... 30 



Dry kilns, behavior of wood 30, 31 



Durability .- 54-58 



list of species 57 



Elasticity, modulus - '. 39 



influence on splitting 48 



Extreme fiber 42 



Factor of safety 40 



Felling time, influence 51, 57 



Flexibility 49 



Fuel value 52 



Fungus producing decay, described 55, 56 



Grain of wood 21-23 



limbs ::.: 23 



Gro wtb , manner 12 



Hardness 47 



Hardwoods, definition 12 



Heartwood, definition 13 



Heating power 52 



Heat, effect of high temperature (see also Distillation) 30, 31, 36 



Hickory, cause of toughness 50 



Honeycombing 11, 36 



Identification of woods, how to proceed 62 



Ignorance regarding woods, reasons 5 



Immersion, effect 24, 30, 31, 36, 50 



Impregnating against decay . 56,58 



Inspection - 6, 7, 8 



Kiln drying, influence on durability 57 



Kilns. (See Dry kilns.) 



Knots - 23 



effect of their position 41, 44 



influence on bending strength 41 



cleavability 48 



flexibility 49 



Lampblack - 54 



"Light" wood 53 



Lignin 51 



"Live" timber 24 



Lunes in limbs 15 



Manner of sawing affects strength and other qualities 8, 9 



Mechanical properties 37-51 



influence in application, practical conclusions 50 



Medullary rays. (See Pith rays.) 



Mirrors 20 



Modulus of rupture „ .... 42 



Moisture .:. 29-31 



during the seasons 29 



varies in tree : 29 



effect on shearing 46 



influence on stiffness : 39 



bending strength 41 



strength 8, 46 



cleavability 48 



flexibility... ................................. 49 





