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



2975(a) 



2975 (b) 



2975 (c) 



2975 (a) Regulating and Reducing Gauge, 3,000-pound gauge on inlet, gauge on 



outlet, with universal fitting for any oxygen tank $35.00 



2975(b) Gas Regulator. For shutting off the supply of gas at any desired time. 

 Consists of specially constructed cock with timing device and gas 

 valve. The gas valve is connected by rubber tubing between the gas 

 supply and the apparatus which it is to regulate 6.00 



2975(c) Filter Attachment, for Greenman Regulator; in fact, may also be used 

 with Roux Regulator, to clean gas of coal tar and other solids, thereby 

 assuring perfect working of Regulator 5.00 



2978 



2980 



2982 



2976 



2976 

 2978 

 2980 

 2982 



2984 GAS Tubes, Measuring, Bunsen's. 



Capacity, c.c 25 



Graduated to 1/5 



Each $1.25 



2986 GAS Tubes, Measuring, with stopcock. 



Capacity 50 c.c.xl/10 c.c 



Each $3.00 



2984 



2986 



GAS Tube, Absorption, Babo's, filled with glass beads $3.50 



GAS Tube, Absorption, Bunsen's, with bulb, graduated 2.50 



GAS Tube, Absorption, Bunsen's, straight, graduated 2.00 



GAS Tube, Absorption, Emmerling's, filled with glass beads 3.00 



