LABORATORY SUPPLIES AND CHEMICALS 



123 



2474 



2474 CRUSHERS, Taylor's Hand Crusher, a low priced machine, substantially 

 made, for reducing ore, coal, etc., to a fine powder. The jaws 

 are 3 inches wide and open at the top 1^4 inches. Forty 

 pounds of the hardest rock may be crushed in one hour, 20 

 per cent of this will pass a 60-mesh sieve. By tightening 

 the adjustment and crushing again, it will all pass a 60-mesh 

 or finer sieve. Weight, 100 pounds, packed for shipment $18.00 



2475 



THE CASE IMPROVED PULVERIZER 

 Open for Cleaning 



2475 PULVERIZER, Case. 



Capacity The capacity of the Case Grinder depends on 

 the hardness of the ore and the size of the ore fed 

 through the Hopper and the fineness to which it is 

 ground. In actual tests, we find the machine capable 

 of grinding 8 ounces of quartz, 92% of which passed 

 through an 80-mesh sieve, in 10 seconds; 5 pounds 

 sulphide ore in zy 2 minutes, 84% of which passed 

 through a 120-mesh sieve. 



Adjustment Ore may be ground to any degree of fine- 

 ness desired, from 60 to 150 mesh by a very simple ad- 

 justment, consisting of a hand screw, which is fastened 

 to the rear bearing and acts on the shaft, controlling 

 the distance between the stationary and revolving disc. 



We recommend a speed of 1,000 r. p. m., which requires 

 about 3 h. p. 



Shipping weight, 400 pounds. Floor space, 20 in. x 44 in. 



Price, f. o. b. Factory $150.00 



Extra Special Metal Discs, per set 12.00 



