CONTENTS. 



Introduction, .... Page 1 



Part I. — Structure of Vessels. 



Section I. — Plank. 



Figure, dimensions, and quality of timber suitable, . 5 



British trees suited for plank, . . .7 



Directions for training and pruning plank timber, . 8 



Section II. — Timbers, . . 14 



Most suitable dimensions, . . . .18 



Figures of bends and crooks, . . . .19 



British trees suited for timbers, . . .21 



Part II. — British Forest Trees suited for Naval 

 Purposes. 



Oak — Quercus, . . . . .31 



Spanish Chestnut — Castanea vulgaris, . . 42 



Beech-tree — Fagus sylvatica, . . .48 



Scotch Elm — Ulmus montana, . . .50 



English Elm — Ulmus campestris, . . .54 



Red-wood Willow — Salix fragilis, . . .58 



Red-wood Pine — Pinus, . . . .63 



White Larch — Larix communis, pyramidalis, . 75 



Investigation of the causes of the rot in larch, , 78 



Soils and subsoils most suited for larch, . . 82 



Soils and subsoils where larch generallytakes rot, . 86 



Remarks on open draining, . . .88 



Bending and kneeing larch, . . ,90 

 New plan of forming larch roots advantageously 



into knees, . . . . .94 



Uses of larch, and value as a naval timber, . 97 



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