Harold S. Betts

No biography available.

Works (12)

Cover of Supplement to how lumber is graded

Supplement to how lumber is graded

Cover of Douglas-fir (Pseudotsuga menziessi)

Douglas-fir (Pseudotsuga menziessi)

Cover of Oaks (Eastern) (Quercus species)

Oaks (Eastern) (Quercus species)

Cover of Buckeye (Aesculus species)

Buckeye (Aesculus species)

Cover of The strength of North American woods

The strength of North American woods

Cover of Timber, its strength, seasoning, and grading

Timber, its strength, seasoning, and grading

Cover of Northern white-cedar

Northern white-cedar

Cover of Possibilities of western pines as a source of naval stores

Possibilities of western pines as a source of naval stores

Cover of American sycamore

American sycamore

Cover of The seasoning of wood

The seasoning of wood

Cover of Strength tests of structural timbers treated by commercial wood-preserving processes

Strength tests of structural timbers treated by commercial wood-preserving processes

Cover of How lumber is graded

How lumber is graded