134 



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



No. 2534. 



No. 2536. 



No. 2524. 



No. 2542. 



CENTRIFUGES 



CENTRIFUGES, HAND AND WATER MOTOR 



2524. CENTRIFUGE, Hand Driven, high speed, giving from 1,000 to 3,000 revolutions per minute, for 

 the rapid and accurate analysis of urine, sputum, blood, pus, milk and the precipitation of solids 

 in any liquid. The case is of iron, well finished, the bearings accurate, the gear wheels cut by 

 special machinery, and the pitch so calculated as to render the machine almost noiseless. Com- 

 plete with two aluminum shields, one each 15 ec plain and graduated glass tubes $11.00 



2526. CENTRIFUGE, Hand Driven, same as No. 2524, but with arm for holding four tubes. Complete 

 with four aluminum shields, two each 15 ce plain and graduated tubes. This machine is capable 

 of doing the work of two ordinary centrifuges 17.25 



2528. CENTRIFUGE, Hand Driven, samo as No. 2524, with two tubes for the examination of urine and 

 with haematocrit for the examination of blood and sputum 18.00 



2530. CENTRIFUGE, Hand Driven, same as No. 2526, with four tubes for the examination of urine and 

 with haematocrit for the examination of blood and sputum 22.50 



2532. CENTRIFUGE, Water Motor, for attachment to ordinary smooth faucet. Speed is controlled by 

 flow of water. So constructed that bearings cannot become rusted nor can oil be washed out. 

 Noiseless in operation. Each machine is furnished with aluminum shields, 3 feet pressure tub- 

 ing, and hose connection for attachment to smooth faucet. Complete with 2-tube 15 cc head, 

 two aluminum shields, and one each 15 cc plain and graduated glass tubes 12.00 



2534. CENTRIFUGE, Water Motor, same as No. 2532, but with four-tube 15 ce head, four aluminum 

 shields, and two each 15 ce plain and graduated glass tubes 18.80 



2536. CENTRIFUGE, Water Motor, same as No. 2532, but with two-tube 50 cc head for the examina- 



tion of kerosene or liquids where larger quantities are to be tested. Complete with aluminum 



shields, and two 50 cc graduated glass tubes 21.00 



Accessories for Hand and Water Motor Centrifuges. 



2537. TWO-TUBE HEAD for 15 cc tubes, without shields or glass tubes 4.35 



2538. FOUR-TUBE HEAD for 15 ce tubes, without shields or glass tubes 6.85 



2539. TWO-TUBE HEAD for 50 ce tubes, without shields or glass tubes 7.80 



2540. FOUR-TUBE HEAD for 50 ce tubes, without shields or glass tubes 13.80 



2541. TWO-TUBE HEAD, Goetz, for phosphorus determinations in steel, with metal shields, but with- 



out glass ware 12.60 



2542. HAEMATOKRIT, with two tubes each for examination of blood and sputum 7.25 



2543. PERCENTAGE TUBE for Blood Analysis, for No. 2542 90 



2544. SPUTUM TUBE for No. 2542 36 



2545. DROPPER, new construction, for filling the blood tubes 25 



2546. GRADUATED URINE TUBES, 15 cc each .65 



per dozen 6.50 



