Section 17. Structural Values. Properties of Woods. Botanical
Characteristics of Trees, etc. 90
_a._ Catalpa (Catalpa speciosa) 91
_b._ Catalpa (Catalpa catalpa) 92
SASSAFRAS; MULBERRY (Sassafras), (Morus).
The Principal Species of Wood: Their Characteristic Properties First Edition · 第 16 / 38 章