THE TEST WEIGHT OF GRAIK. 



11 



at their upper ends. Fitted to the forward or main post are two 

 free-swinging metal brackets or arms, the lower one of which termi- 



Fig. 6. — Sketch showing how the plate is bolted on the iron grating. 



nates in a ring 7J inches in diameter to hold the hopper, the upper 

 arm terminating in a hook from which the scalebeam can be sus- 



