endwise,12,92,94,102,132
failure,34,104
parallel to grain (see C. endwise)
perpendicular to grain (see C. right angles to grain)
right angles to grain,94,133
Compressive strength,1,9,23
Compressometer,103
Coniferous wood,44
Cottonwood,44,45
Creosote, effect of,87
Cross-arms, testing,124
Cross grain,8,59-61
Cross-grained tension failure,34
Crushing strength,2,9,54,75
formula for,104
Cucumber tree,13
Cup shake,64
Cypress, bald,9,13,16,20,27,32,40,42,57,68,144
Dead Load (see Load)
Definitions,2-7
Deflection,25,30
measuring,96-97,100
Deflectometer,99,106-107
Deformation, measuring,103,107
Density,54-58
Diffuse-porous,44,50
Dogwood,22
Drying,75-84
effect of,75-78,138-139
Dry rot,69
Durability,53,54,75
Early Wood,44,82
Ease of working, factors affecting,48,50
Ebony,22
Elasticity, modulus of,6,25,89
formulæ for,98,102,104,114,123
Elastic limit,2,5,22,62
resilience,6
formulæ for,98,102,104
Elm,8,38,44
rock,9,13,16,20,27,32,40,42,56
slippery,13,27,32,40,56
white,13,20,27,32,40,42,56
Elongation,3,7,33
Eucalyptus globulus,54,78,82
viminalis,54
Factor of Safety,29,139
Failures, bending,33-37,77,78
compression, endwise,12,15-19,104
cross-grained,10,76,77,107
shearing,19
tension,8
torsion,38,39
Fibre-saturation point,78
Fibre strain, rate of,92-93
stress,15
at elastic limit,54,62,75,123
formulæ,98,102,104,107,114
Fir, Alpine,16,20,27,32,40,42,57
amabilis,16,20,27,57
Douglas,13,16,20,27,32,36,40,42,48,55,57,124,140,141,142,143,144
white,9,16,20,27,32,40,42,57
Flexibility,5,37
Flexure,4,12,60
Formulæ,98,102,104,107,110,114,123
Frost splits,62-64
Fungi 59,68-70,75
Grain, cross,8,59-61
diagonal,60
spiral,60
Growth, in diameter,43,44
locality of, effect,70-73
rate of, effect,43,50,72
rings,44,52
measuring,95-96
Gum 22,44,51
red,27,45,56
Hackberry,9,13,16,20,27,32,42,51,56
Hardness,2,39-41,54,114-118,133
Heart break,65
shake,64
Heartwood,50-54,58,73,75
Heat, effect of,84-86
Hemlock,9,13,15,16,20,22,27,32,40,42,44,45,56,78
western,48,59,140,141,142,143,144
Hickory,8,22,38,40,43,44,49,51,53,55,59,65,66,72,124
big shellbark,13,16,20,27,56
bitternut,13,16,20,27,56
mockernut,13,16,20,27,56
nutmeg,13,16,20,27,56
pignut,6,7,13,16,20,27,48,56
shagbark,13,16,20,27,56
water,13,16,20,27,56
Hollow-horning,80
Honey-combing,54,80
Impact,30-33,110-114,132
Implement woods, testing,124
Indentation,39,117-118
Injuries, fungous,52,59,68-70
insect,52,66-67,72
marine wood-borer,67-68
parasitic plant,70
Kerosene, effect of,87
Knots,51,52,61-62,89
Larch,8
western,36,48,64,140,141,142,143
Late wood,44,59,82
measuring,96
relation to strength,47-49
Limit of elasticity,5
Limnoria,67
Live load,28
Load, application of,29
concentrated,28
dead,28,144
immediate,28
kinds of,26
live,28
maximum,29
permanent,28
safe,29
uniform,26
Loading, centre,97,100
static,29
sudden,29
third-point,97
vibratory,29
Locust,22
black,13,40,44,51
honey,9,13,16,20,27,32,40,42,56
Log of tests,97-98,100-102,103-104,107,110,114
Machine for static tests,90-92 Maple,22,44,51
red,13,20,27,32,40,42,56
silver,13
sugar,9,13,16,20,27,32,40,42,56
Marking test specimens,94-95,100,129-131
Material for tests,88-90,94,99-100,102,106,107-110,113,115-116,117,118,119-120,121,122,123-125,128-134,135,136
Mechanical properties, definition of,1
factors affecting,43-87
Medullary rays (see Rays)
Mistletoe,70