This section is from the book "Elementary Principles Carpentry", by Thomas Tredgold. Also available from Amazon: Elementary Principles Of Carpentry.
Kind of Timber. | Decay first observed from time of exposure. | Unsound and quite decayed. | Quite Sound for | Remarks. | |||
Yrs. | Mon. | Yrs. | Mon. | Yrs. | Mon. | ||
Greenheart......................... | ... | ... | 19 | 0 | Affected in one corner. | ||
Teak........ | .. | 13 | 0 | ||||
Beefwood.......................... | .. | ... | 13 | 0 | |||
Treenail of bulletwood | .. | ... | 5 | 0 | |||
Beech, Payne's patent process........................... | 10 | 7 | ... | ... | A little holed at one end underneath. | ||
Teak........ | 5 | 6 | ... | ... | Nearly sound 7 1/2 years after being laid down. | ||
African oak ....................... | 5 | 6 | ... | ... | Ditto ditto | ||
" " .................. | 4 | 11 | 10 | 0 | ... | ||
English oak, kyanized | 4 | 7 | 10 | 0 | ... | Decaying but slowing 5 years and 7 months after being laid down. | |
Teak........ | 4 | 7 | 12 | 0 | ... | ||
American oak, kyan-ized ...... | 4 | 3 | ... | ... | |||
British ash........................ | 3 | 0 | 5 | 0 | ... | ||
Scotch elm........................ | 3 | 0 | 5 | 0 | ... | ||
English elm....................... | 2 | 11 | 4 | 7 | ... | ||
Plane-tree.......................... | 2 | 11 | ... | ... | Ditto ditto | ||
Ash ........ | 2 | 11 | 4 | 3 | ... | ||
American oak.................... | 2 | 11 | 4 | 7 | ... | ||
Baltic red pine ................. | 2 | 9 | 4 | 3 | ... | A good deal decayed when first observed. | |
English oak........................ | 2 | 4 | 4 | 7 | ... | ||
Scotch oak........................ | 2 | 4 | ... | ... | Ditto ditto | ||
Baltic oak.......................... | 2 | 4 | 4 | 3 | ... | ||
Norway fir........................ | 2 | 4 | 3 | 1 | ... | ||
Baltic red pine, kyanized.................................. | 2 | 4 | 4 | 7 | ... | ||
Pitch pine........................... | 2 | 4 | 4 | 3 | ... | ||
American yellow pine | 2 | 4 | 3 | 7 | ... | ||
" red pine ........... | 2 | 4 | 3 | 1 | ... | ||
" " kyanized.................................... | 2 | 4 | 4 | 7 | ... | ||
Larch.................................. | 2 | .4 | 4 | 3 | ... |
Kind of Timber. | Decay first observed from time of exposure. | Unsound and quite decayed. | Quite Sound for | Remarks. | |||
Yrs. | Mon. | Yrs. | Mon. | Yrs. | Mon. | ||
Honduras mahogany.. | 2 | 1 | ... | ... | Nearly round 3 1/2 years after being laid down, Washed away 6 months later. | ||
Beech............................... | 1 | 9 | 3 | 1 | ... | ||
American elm.................. | 1 | 9 | 3 | 1 | ... | ||
Treenail of locust........... | ... | 5 | 0 | 3 | 0 | ||
British oak...... | 1 | 6 | 5 | 0 | ... | ||
American oak .................. | 1 | 6 | 5 | 0 | ... | ||
Plane-tree............................ | 1 | 6 | 5 | 0 | ... | ||
Honduras teak treenails | 1 | 6 | 5 | 0 | ... | ||
Beech................................... | 1 | 6 | 5 | 0 | ... | ||
Scotch fir, teak tree-nails ...... | 1 | 6 | 3 | 0 | ... | ||
Ditto, from Lanarkshire................................... | 1 | 6 | 3 | 0 | ... | ||
Ditto ditto ................... | 1 | 6 | 3 | 0 | ... | ||
Ditto, locust treenails | 1 | 6 | 3 | 0 | ... | ||
Memel fir............................ | 1 | 6 | 5 | 0 | ... | ||
Pitch pine...... | 1 | 6 | 2 | 6 | ... | Going fast when first observed. | |
English oak ........................ | 1 | 1 | 3 | 1 | ... | ||
Italian oak............................ | 1 | 1 | 3 | 6 | ... | ||
Dantzic oak......................... | 1 | 1 | 2 | 6 | ... | ||
English elm......................... | 1 | 1 | 1 | 6 | ... | ||
Canada rock elm................... | 1 | 1 | 1 | 6 | ... | ||
Cedar of Lebanon................. | 1 | 1 | 2 | 6 | ... | ||
Riga fir................................. | 1 | 1 | 1 | 6 | ... | ||
Dantzic fir............................. | 1 | 1 | 1 | 6 | ... | ||
Virginia pine........................ | 1 | 1 | 1 | 6 | ... | ||
Yellow pine........................ | 1 | 1 | 1 | 6 | ... | A good deal gone 18 months after being laid down. Swept away by the sea 7 months afterwards. | |
Red pine.............................. | 1 | 1 | 1 | 6 | ... | ||
Cowrie pine ....................... | 1 | 1 | 1 | 6 | ... | A good deal decayed when first observed. | |
Polish larch ........................ | 1 | 1 | 1 | 6 | ... | Going fast when first observed. | |
Birch, Payne's patent process...... | 0 | 10 | 1 | 10 | ... | ||
American locust treenails..................................... | 0 | 8 | 3 | 0 | ... |
 
Continue to: