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REPRESENTATIVE PLANTS 



7. A Study of TAiMiiEiis and Cabinet Woods. 

 Experiential Applications 



Material. Have prepared specimens of as many commer- 

 cial woods as possible, sawed radially and tangentially. 

 Collect native woods. 



Discover, by reading, the sonrce of each form, and its 

 valne as a wood for various special uses. 



Methods of study. Study the individual specimens, for : — 



(a) Color. 



(b) Grain (learn here the meaning of "quarter-sawed"). 



(c) Hardness ; hard and soft woods. 



(d) Polish. 



(e) Weight, compared with water. 



(/) Special markings ("bird's-eye," ''burl," "crotch," 

 " curly "). 



(g) Strength (breaking). 



(h) Durability. 



(i) Odor. 



(J) Effect of oil and varnish application. 



(k) Ease of working with edge tools. 



Table of commercial woods 



Name 



Family 



Country 



Use 



Other work. What are veneers? Why are so many 

 woods used mostly in this form ? 



How are veneers produced ? 



What uses have veneers ? 



What is meant by the terms " treating," " preserving," 

 " doctoring, " woods for fence posts, ties, paving, etc. ? 

 What substances are used for preservation ? 



