178 



CENTRAL SCIENTIFIC CO., CHICAGO, U. S. A. 



3518. 

 3520. 

 3522. 



No. 3534. 



No. 3536. 



GRINDING AND PULVERIZING MILL, for power, same as No. 3516, but fitted with single 



pulley, 12x3 inches $15.00 



GRINDING AND PULVERIZING MILL, for power, same as No. 3516, but with tight and 



loose pulleys, 12x3 inches 20.00 



GRINDING AND PULVERIZING MILL, Nixtamal, for hand operation, for soils, herbs, grains, 

 coal, dry bone, limestone, etc. Will pulverize limestone fine enough to pass through a 100 

 mesh sieve. Capacity (grain) 5 pounds per minute. Total weight, 24 pounds. Complete with 

 three sets of grinding disks, coarse, medium and fine 17.50 



3524. GRINDING AND PULVERIZING MILL, for power, similar to No. 3522 but larger, with hop- 

 per, and for power drive. Height, 24 inches; length, 12 inches; dimensions of pulley, 12x2% 

 inches; speed of pulley, 300 r. p. m.; power required to operate, 2 to 3 h. p.; capacity per hour 

 (cereals), 240 to 500 pounds; weight, 65% pounds 50.00 



3526. GRINDING AND PULVERIZING MILL, for power, with automatic feed, adapted for grinding 

 soils, coals, sand, gravel, stones, grit, cereals, etc. Will take large material and run either way, 

 to right or left. The automatic feed is used for small material, while large pieces are fed 

 directly into the mill. Height, 46 inches; height from floor to shaft, 24 inches; floor space, 

 23x30 inches; length over all, 36 inches; speed, 500 to 1000 r. p. m.; power required, 2 to 3 

 h. p.; dimensions of pulley, 8x4 inches; weight, 300 pounds; capacity per hour, 300 to 400 

 pounds 76.00 



3528. GRINDING AND PULVERIZING MILL, for hand operation, specially designed for grinding 

 small samples of wheat for flour analysis. Can also be used for coal, ore, grains, etc. Burrs 

 are made of special hard steel alloy. Adjustable for different degrees of fineness. Parts 

 can be easily taken apart for cleaning. For hand power, with crank handle of rolled steel, 

 9 inches in length. Shipping weight, 10 pounds 7.00 



3530. GRINDING AND PULVERIZING MILL, for hand or power, same as No. 3528, but with hand- 

 wheel, which can also be used for pulley. Flexible connection between hand-wheel and mill 

 permits easy release of mill for thorough cleaning. Shipping weight, about 20 pounds 11.50 



3532. GRINDING AND PULVERIZING MILL, for hand or power, same as No. 3530, but with a 

 bolter which oscillates under outlet to separate ground material into two grades. With two 

 interchangeable bolter boxes, each having a different grade of cloth. Shipping weight, about 

 25 pounds 21.50 



3534. GRINDING AND PULVERIZING MILL, for power, same as No. 3532, but without handle, 

 taking a 1 inch belt i 21.50 



3536. GRINDING AND PULVERIZING MILLS, for power, same as No. 3534, but mounted on pedes- 



tal base with motor, for bolting directly to floor. Can be connected to any incandescent lamp 

 socket. Shipping weight, 75 pounds. Complete with two bolter boxes. 



No A B C D 



A.C. B.C. 



For volts 110 220 110 220 



Each 60.00 63.00 55.00 58.00 



3537. EXTRA BOLTER BOXES for Nos. 3532, 3534, and 3536 each .80 



