158 



TIMBER AND TIMBER TREES. 



[chap. 



3. The common Elm timber to be fairly grown and 

 free from sudden bends (Fig. 23^) ; to be 24 feet in 

 length and upwards, meeting at 28 feet ; and each piece 

 of timber to be measured for contents by calliper 

 measurement, as far as the spire (which is not to be cut 

 off from any tree) will hold 1 5 inches in diameter ; and 

 no top will be received except the spire. No tops will 

 be received at the yards detached from the log. 



4. The Elm timber for keel-pieces to be straight, 

 fairly grown, and to square 17 inches and upwards. The 

 shortest length is to be 28 feet. 



FIG. 23(7. 



FIG. 23^. 



5. The Elm timber for blocks to be clean butt- 

 lengths, free from knots ; to be 16 feet in length and 

 upwards, meeting at 20 feet. The calliper measure of 

 the mid-length to be not less than 26 or more than 

 36 inches. 



6. The Wych Elm timber to be 16 feet in length 

 and upwards, meeting at 20 feet ; each piece of timber 

 to be measured for contents by calliper measurement as 

 far as the spire (which is not to be cut off from any tree) 

 will hold 8 inches in diameter ; no top will be received 



