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A. DAIGGER & COMPANY, CHICAGO, U. S. A. 



GAS ANALYSIS APPARATUS 



2920 



2921 



2921(b) 



2920 GAS APPARATUS, Orsat Lunge's, for flue and furnace gases, for analysis 



of COa, CO, O and H consisting of four absorption pipettes, tube with 

 5 stopcocks, gas measuring tube with water jacket and aspirator bot- 

 tle, in portable wooden case ..$40.00 



For extra parts see 2921 (a). 



2921 GAS APPARATUS, Orsat-Muencke's, for flue and furnace gases, for analy- 



sis of CO 2 CO, O and H consisting of four absorption pipettes, tube 

 with 5 stopcocks, gas measuring tube with water jacket and aspirator 



bottle, in portable wooden case 30.00 



For extra parts see 2921 (a). 



2921(a) GAS APPARATUS, Separate parts for Nos. 2920-2921. 



Measuring tubes with jacket for any of above 6.00 



Tube with 5 stopcocks for No. 2920 11-00 



Tube with 4 stopcocks for No. 2921 10.00 



Pipettes, filled with glass tubes and copper spirals, with ground in 



glass stopper 6.00 



Pipettes, filled with glass tubes 4-00 



Pipettes, plain 3.50 



Soft Rubber Bags, for attaching to Orsat Pipettes 60 



Aspirator Bulbs of Rubber with two valves, and rubber connections.. 1.00 



Aspirator. Bottles 2.00 



N. B. The above prices are for parts which fit the apparatus which 

 we sell; special sizes we can make to order at reasonable prices. 

 State apparatus wanted for. 



2921 (b) GAS APPARATUS, Orsat Muencke's, Petrzilka modification, with large 

 universal stopcock, dispensing with four smaller ones, in portable 



case , 50.00 



Extra Stopcocks for above 18.00 



