THE TEST WEIGHT OF GRAIN. ll 
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- 
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Fic. 6—Sketch showing how the plate is bolted on the iron grating. 
nates in a ring 74 inches in diameter to hold the hopper, the upper 
arm terminating in a hook from which the scalebeam can be sus- 
