Page:Timber and Timber Trees, Native and Foreign.djvu/18

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INDEX TO ILLUSTRATIONS.

FIGURE PAGE
1.Plank properly fixed with heart side against the beam5
2.Plank improperly fixed with outside against the beam5
3 a, b.Medullary rays, or silver grain6
3 c.Concentric circles, or annual layers6
4.Conversion of sap-wood into heart-wood9
5.ConversionDo. of sap-wooddo. partially completed 9
6.Conical or tapering form of woody layers15
7.Pith, snake-like form of24
8 a, b.Heart-shake defect28
9.Heart-shake defect twisting form29
10.Heart-shake defect at right angles to each other29
11.Star-shake defect30
12 a,b.Cup-shake defect31
13.Defect caused by a broken brand37
14.Proper mode of pruning38
15.Rindgall defect39
16 a, b.British Oak, Rough, form of log72
17 a, b. Sided, form of logdo.73
18.British Oakdo. Compass, form of logdo.74
19.British Oakdo. Compass, form of logdo.74
20 a, b.French Oak, mode of hewing79
21 a, b.Italian Oak, compass form of log86
22.Riga Oak, semicircular, compass form of logdo.96
23.African Oak, irregular, compass form of logdo.146
24.Spanish Mahogany, general, compass form of logdo.170
25.Jarrah, mode of flitching193
26 a, b. English Elm, rough, form of log223
27.Canada Rock Elm, defective annual layers226
28 a., b.Canada Red Pine, mode of hewing272
29.Canada Yellow Pine. mode of hewing277
30.Yellow Pine. Section showing seven pieces taken across the full breadth of the tree279
31.Canada Yellow Pine. Section showing eight pieces, taken across the full breadth of the treedo.282
32 a, b, c.American Pitch Pine. Section and twelve lengths of the inner and outer layers288
33.New Zealand Kaurie. Section showing four pieces taken from one side, and two pieces from the other side of pith298
34.New Zealand Kaurie. Section, and butt, middle, and top lengths, three on each side of the pith300