Span, [25]
Specific gravity, [55], [135]-137
Speed of testing machine, [93]-94
-strength modulus, [94]
Sphæeroma, [67]
Spike-pulling test, [123]
Spiral grain, [60]
Splintering tension failure, [34]
Span, [25]
Specific gravity, [55], [135]-137
Speed of testing machine, [93]-94
-strength modulus, [94]
Sphæeroma, [67]
Spike-pulling test, [123]
Spiral grain, [60]
Splintering tension failure, [34]