32 BULLETIN 949, U. S. DEPARTMENT OF AGRICULTURE. 



7. The drying treatment given before testing, if any. 



8. The length., breadth, and thickness of the bricks. 



9. The collective weight of the ten large spherical shot used in making the test 

 at the time of their last standardization. 



10. The number and collective weight of the small spherical shot used in 

 making the test at the time of their last standardization. 



11. The total weight of the shot charge after its last standardization. 



12. Certificate of the operator that he examined the condition of the machine 

 as to staves, liners, and any other parts affecting the barrel, and found them 

 right at the beginning of the test. 



13. Certificate of the operator of the number of charges tested since the last 

 standardization of shot charge and last renewals of stave liners. 



14. The time of the beginning and ending of each test, and the number of 

 revolutions made by the barrel during the test, as shown by the indicator. 



15. Certificate of the operator as to number of stops and starts made in each test. 

 10. The initial collective weight of the ten bricks composing the charge and 



their collective weight after rattling. 



17. The loss calculated in percentage of the initial weight; and the calculation 

 itself. 



18. The number of broken bricks and remarks upon the portions which were 

 included in the final weighing. 



19. General remarks upon the test and any irregularities occurring in its 

 execution. 



20. The date upon which the test was made. 



21. The location of the rattler, upon which the test was made, and name of 

 the owner. 



22. The certificate of the operator that the test was made under the specifica- 

 tions of the American Society for Testing Materials and that the record is a true 

 record. 



23. The signature of the operator or person responsible for the test. 



24. The serial number of the test. 



In the event of more than one copy of the record of any test being required, they 

 may be furnished on separate sheets and marked duplicates, but the original record 

 shall always be preserved intact and complete. 



For the convenience of the public, the accompanying blank form, which provides 

 space for the necessary data, is furnished and its use recommended. 



