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



179 



No. 3552. 



No. 3554. 



3540. GRINDING MILL, Enterprise No. O, for hand power, recommended by the Joint Enbber Insula- 

 tion Committee, for grinding samples of rubber and insulating compounds for analysis. (See 

 Journal of Industrial and Engineering Chemistry, Vol. IX, No. 3, for March 1917, page 

 313) $2.50 



3342. MTIiT., Bagassee Cutter, for hand operation, for cutting slices from bagassee and other fibrous 

 material for analysis. The thickness of the slices can be controlled by a special regulating 

 device from thinnest shavings to slices % inch thick. With automatic feed 10.00 



3544. MTT.T. Single Specimen Ball, for power, for pulverizing small samples of any material. Consist- 

 ing of a porcelain jar with flint pebbles, mounted as shown with 9x1 inch pulley for power 

 drive. Size of jar outside, 5.2x5.7 inches; floor space, 9x11 inches; speed, 80 to 120 r. p. m.; 

 shipping weight, 50 pounds; capacity dry, *4 ounce to 1% pounds at a charge; capacity wet, 

 1 ' 4 gallon 15.00 



3546. 'MTT.T. Double Specimen Ball, same as No. 3544, but with two jars mounted to revolve on same 



axis. Floor space, 9x18 inches; shipping weight, 75 pounds 22.50 



3547. EXTEA PORCELAIN JARS for Mills Nos. 3544 and 3546, size 5.2x5.7 inches; capacity, 1 quart 



each 5.00 



3550. MTT.T. Single Bacilli, for power, with jars of special design for handling tubercle and other 

 bacilli. Size of jar, 5.75x6.5 inches; size of pulley, 9x1 inch; floor space, 9x11 inches; speed, 

 80 to 120 r. p. m.; shipping weight, 65 pounds; capacity dry, % ounce to 2 pounds at a charge; 

 capacity wet, i gallon 18.00 



3552. "MTT.T. Double Bacilli, same as No. 3550, but with two jars mounted to revolve on same axis. 

 Floor space, 9x18 inches; shipping weight, 90 pounds 27.00 



3554. 'MTT.T. Single Assay, for hand or power, for reducing to an impalpable powder any materials, 

 either hard or soft, particularly those which must not come in contact with metals. Widely 

 used in assay, cement, and soils laboratories. Size of jar, 8.75x9.65 inches; height of mill, 19 

 inches; floor space, 14x25 inches; size of pulleys, 9x1 inches; speed, 60 to 75 r. p. m.; shipping 

 weight, 125 pounds; capacity dry, 1 ounce to 5 pounds at a charge; capacity wet, 1 gallon. With 

 handle for hand operation 37.50 



