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]