334 



TIMBER AND TIMBER TREES. 



[chap. 



Table CXXXV. 

 Vertical or Crushing Experiments. 



CONDITIONS OF CONTRACT. 



All the goods supplied under this contract to be imported direct from 

 ihe Baltic ; to be of the best quality, fresh out, good, sound, merchantable, 

 and well conditioned. 



The Riga Fir timber to be 11 inches square and upwards, averaging at least 

 12 inches, meeting in length at 24 feet, and none to be shorter than 18 feet ■ 

 the longest timber to be of the greatest scantling, and the spine to be seen 

 from the butt to the top on each of the four sides. 



The Riga hand-masts to be of the dimensions specified, straight grown, and 

 free from heart-shake and injurious knots. One-third of all the masts of 9 hands 

 and under to be 4 feet longer than the prescribed length. 



