CENTRAL SCIENTIFIC CO., CHICAGO, U. S. A. 141 



No. 2770. 



2718. Rubber Cushions for 100 cc Shield, Cornell style each $0.30 



per dozen 2.88 



2719. Rubber Cushions for 100 cc Oil Tubes No. 27*17 each .55 



2720. Cast Iron Stand for mounting No. 2 Centrifuge 14.40 



2721. Four-Bottle Shaker Head for use on No. 2 Centrifuge 28.80 



Accessories for Both No. 1 and No. 2 International ^Centrifuges. 



LlTL'S. Metal Shield for 15 ec glass tubes, Cornell style, with rubber eusfiion 65 



2729. Reducing Cap for use with 15 ec glass tubes in 50 cc metal shields 18 



2730. Metal Shield for 50 ce glass tubes, Cornell style, with rubber cushion 80 



2731. Trunnion Ring for 15 cc tubes ". 55 



2732. Trunnion Ring for 50 ce tubes 48 



2733. Babcock Test Trunnion Cup, with rubber pad, for use in place of 50 ce tubes .72 



2735. Square Trunnion Cup for Sputum Bottle No. 2757 for use in place of 50 ec tubes 94 



2736. Trunnion Carrier for 150 cc Squibb separatory funnels, for use with Heads Nos. 2704 and 2705 



2.40 



2737. Trunnion Carrier for Goetz phosphorus tubes for use with Heads Nos. 2704 and 2705 2.20 



2738. Glass Tubes, 15 cc, plain each .20 



per dozen 1.92 



2739. Glass Tubes, 15 cc, graduated in ^J divisions each .60 



per dozen 5.76 



2740. Glass Tubes, 15 cc, round bottom, plain each .12 



per dozen 1.20 



2741. Glass Tubes, 15 cc, narrow neck each .25 



per dozen 2.35 



2742. Hopkins Vaccine Tubes, 10 cc, for use in Metal Shield No. 2728 each 1.45 



2743. Babcock Test Tubes for human milk, for use in Metal Shield No. 2728 each .55 



per dozen 5.50 



2744. Glass Tubes, 50 cc, plain, lipped each .25 



per dozen 2.20 



2745. Glass Tubes, 50 cc, plain, narrow neck each .20 



per dozen 2.20 



2746. Glass Tubes, 50 cc, graduated in * cc divisions to 10 ec; in 1 ee divisions to 50 ce.each .90 



per dozen 9.00 



2747. Hart Casein Tubes for use in Metal Shields No. 2730 each .60 



per dozen 5.76 



2748. Squibb Glass Separatory Funnel, 150 cc, for use in Trunnion Carrier No. 2736 2.85 



2749. Goetz Glass Phosphorus Tube, with stopper, for use in Trunnion Carrier No. 2737 2.30 



2~r>0. Board* of Health Glass Tubes, 2 cc per hundred 5.70 



2751. Rubber Stoppers for Board of Health Tubes per hundred 2.20 



2752. Board of Health Tubes, set of 20, with 40 stoppers . , per set 2.40 



2753. Rubber Cushions for 15 cc shields, Cornell style per dozen 1.08 



L'7.~>4. Rubber Cushions for 50 cc shields, Cornell style per dozen 2.20 



2755. Rubber Caps for Tubes Nos. 2738, 2739 and 2740 per dozen 1.08 



2756. Molded Soft Rubber Caps for Glass Tubes No. 2745 per dozen 1.15 



2757. Square Sputum Bottles, with corks per dozen .73 



per gross 6.80 



2758. Speed Revolution Counter 1.80 



2770. CENTRIFUGAL MACHINE, Hand, for chemical use, consisting of Milk Testing Centrifuge No. 



9204C, fitted with a heavily tinned perforated copper basket 7% inches in diameter and 3^4 

 inches deep, with % inch flange at the top. Can be used for a variety of purposes, such as dry- 

 ing crystals, etc. Where corrosive materials are used, the inside of the iron case should be 

 coated with some resistant material, such as paraffine or acid-proof varnish. The case is pro- 

 vided with an outlet at the bottom for draining 25.00 



CENTRIFUGES, Babcock or Milk Testing, see Milk Testing Apparatus. 



CENTRIFUGE, International Board of Health, see Milk Testing Apparatus. 



CENTRIFUGES, Soil, see Soil Analysis Apparatus. 



CENTRIFUGES, Moisture Equivalent, seo Soil Analysis Apparatus. 



