SAMPLING AND TESTING HIGHWAY MATERIALS. 



87 



(Name and location of laboratory.) 

 Report on Sample op Vitrified Paving Brick. 



(Date reported.) 



Laboratory No 



Trade name 



Identification marks 



Submitted by Title Address 



Sampled , 192 . . Received 



Sampled from 



Quantity represented 



Manufactured by 



Location used or to be used 



Examined for 



., 192.. 



192. 



TEST RESULTS. 



General data. 



Average dimensions, length Width . 



Drying treatment 



Standardization data. 



Depth. 



10 large spheres... 

 small spheres . 



Total. 



Weight 

 of charge 



(after 

 standard- 

 ization). 



Number of fresh stave liners. 



Repairs affecting barrel. 



Number of charges tested since last inspection, 



Running data. 



Time readings. 



Revolu- 

 tion 

 counter 

 readings. 



Running 



notes, 



stops, 



etc. 



Hours. 



Beginning of test. 

 Final reading 



Minutes. 



Seconds. 



Initial weight of 10 bricks 



Final weight of 10 bricks 



Loss of weight 



Loss of weight, per cent 



Number of bricks broken in test 



Remarks : 



Respectfully submitted, 



Maximum variation in per cent loss. 



(Title) 



