TIMBER AND TIMBER TREES. 
CHAPTER VII. 
Timber—Numerous experiments—Specimens well seasoned—Sizes 
experimented on—Mode of testing—Transverse—Tensile, &c. . . 40 
CHAPTER VIII. 
Oak, various—British species—Best soil for—Standard of quality— 
Dimensions attained—Qualities—Store in H. M.’s Dockyards— 
Supply inadequate-—Substitutes for, &c. ... . . 43 
CHAPTER IX. 
British Oak—Tables of experiments—Elasticity—Strength—Barlow’s 
formulae—Experiments on pieces cut from centre of log—Deflec¬ 
tion, &c.. 50 
CHAPTER X. 
British Oak—Experiments on Tensile strength—Tables—Vertical 
strength — Tables—Sectional area for pillars—Elongation of 
fibres—Tables, &c.. . 58 
CHAPTER XI. 
British Oak—Time for felling—Tannin in bark—Winter-felled 
timber—Account of some ships in which used, &c. 
CPIAPTER XII. 
British Oak—Navy contracts—Specifications for timber, thick-stuff, 
and plank, &c.. 
67 
CHAPTER XIII. 
French Oak—Resemblance to British—Sample first tried—Loss in 
conversion—Method of hewing—Tried in H. M.’s Ship “Pallas” 
—Quality—Classed at Lloyd’s—Experiments—Tables, &c. . 
77 
CHAPTER XIV. 
Italian Oak—Several varieties — Quality—Description — Defects — 
Quantity in H. M.’s Dockyards—Navy contracts—Experiments— 
Tables, &c... . 83 
CHAPTER XV. 
Dantzic Oak—Description—Classification—Agent employed—Specifi¬ 
cation for Navy contracts—Experiments—Tables, &c. . . go 
