Redwood, California, 19

Redwood, Coast, 19

Registering hygrometer, the, 244

Registering thermometer, the, 246

Rendering drying difficult, changes, 140

Reproduction of red gum, 57

Requirements in a satisfactory dry kiln, 160

Ring, the annual or yearly, 10

River birch, 43

Rock chestnut oak, 73

Rock elm, 50

Rock maple, 68

Rock oak, 73

Rosemary pine, 25

Rough, seasoned products in the, 112

Rough, unseasoned products in the, 109

Round-headed borers, 101

Round timber with bark on, 106

Rum cherry, 47

Samples for Scalometer Test, 248

Sand bar willow, 84

Sap and heartwood, 8

Sap, composition of, 116

Saplings, 108

Sap pine, 25

Sassafras, 80

Satin walnut, 54

Satisfactory dry kiln, requirements in a, 160

Saturation point in wood, fibre, 118

Sawmills, scalometer in, 249

Savin juniper, 18

Scalometer in factories, 249

Scalometer in sawmills, 249

Scalometer, test samples for, 248

Scalometer, the troemroid, 247

Scalometer, weighing with, 248

Scalybark hickory, 64

Scarlet oak, 75

Scrub chestnut oak, 74

Scrub oak, 74

Scrub pine, 27

Seasonal distribution of water in wood, 115

Seasoned and unseasoned wood, difference between, 121

Seasoned, how wood is, 145

Seasoned products in the rough, 112

Seasoning, advantages in, 128

Seasoning is, what, 119

Seasoning, out-of-door, 154

Second-growth red gum, 59

Sequoia, 19

Service kiln, theory and description of forest, 161

Shagbark hickory, 64

Shellbark hickory, 64

Shingle, heading and stave bolts, 109

Shingle oak, 75

Shining willow, 84

Short-leaf pine, 26

Short-straw pine, 25

Shrinkage of wood, 130

Shucks, honey, 66

Sitka spruce, 28

Silver birch, 42

Silver-leaved maple, 69

Silver maple, 69

Slash pine, 25, 26

Slippery elm, 51

Small-leaved basswood, 39

Small magnolia, 67

Soft maple, 69

Soft pine, 23, 24

Soil and moisture, demands upon, 56

Sorrel-tree, 80

Sound pine, Puget, 29

Sour gum, 62, 80

Sourwood, 80

Southern hard pine, 24

Southern pine, 24

Spanish oak, 75

Spanish oak, swamp, 73

Specialties, dry-kiln, 206

Species, different kiln-drying according to, 170

Species, temperature depends upon condition and, 171

Species, weight of kiln-dried wood of different, 95

Spindle tree, 82

Splitting, prevention of checking and, 129

Spring and summer-wood, 12

Spruce, 27

Spruce, bastard, 29