x TIMBER AND TIMBER TREES. 
CHAPTER VII. 
Timber—Numerous experiments—Specimens well seasoned—Sizes 
experimented on—Mode of testing—Transverse—Tensile, &c. 
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. “i i : s 
CHAPTER IX. 
British Oak—Tables of experiments—Elasticity—Strength—Barlow’s 
formulze—Experiments on pieces cut from centre of log—Deflec- 
tion, &c.. ‘ : : : ‘ ‘ é é é : 
CHAPTER X. 
British Oak—Experiments on Tensile strength—Tables—Vertical 
strength — Tables—Sectional area for pillars—Elongation of 
fibres—Tables, &c. . ‘ : ‘ : 5 . 
CHAPTER XI. 
British Oak—Time for felling—Tannin in bark—Winter-felled 
timber—Account of some ships in which used, &c. .. 3 . 
CHAPTER XII. 
British Oak—Navy contracts—Specifications for timber, thick-stuff, 
and plank, &c. . - x 7 3 F i F - 7 
CHAPTER XIIL 
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. . 
CHAPTER XIV. 
Italian Oak—Several varieties — Quality —Description — Defects — 
Quantity in H. M.’s Dockyards—Navy contracts—Experiments— 
Tables, &c. ‘ : " Z . < i ‘ 
CHAPTER XV. 
Dantzic Oak—Description—Classification—Agent employed—Specifi- 
cation for Navy contracts—Experiments—Tables, &c. . F 
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