BAIR-D &TATLOCK (LONDON) LTD. 



2755 



2755H 



2755J 



2756 



755 Beckman's Apparatus for the Estimation of Molecular Weights, Boiling Point 

 Method. Complete as detailed below, A. to F. . . 



A. Thermometer graduated into 6 C. in T ^yths of a degree (see page 536) . . 



B. Boiling vessel, with platinum wire 



C. Asbestos cover, garnets, etc. 



D. Tripod stand 



2757 



2 12 

 150 

 10 6 

 066 

 056 

 020 

 056 

 15 

 100 

 090 



E. Pipette, etc. 



F. Nickel-plated ball condenser 



G. With precision stopcock . . . . . . . . . . . . extra 



H. Steel mould, new pattern .. .. .. .. .. .. 



J. Steel mould, simple form 



(See Zeitschrift fur Physik Chemie, iv., 5, 544.) 



756s Beckman's Improved Boiling-Point Apparatus. Complete, as detailed below, A. 

 toG. 



A. Thermometer, 6 C. graduated into T i ff ths of a degree (see page 536) 



B. Asbestos air bath 



C. Glass steam jacket 



D. Testing tube, with platinum 



E. Two spiral condensers 



F. Two small Liebig's condensers 



G. Garnets, glass beads, pipette, asbestos paper, and fireclay plate 



(See Zeitschrift fur Physik Chemie, viii., 2, 234.) 



57 s Porcelain Steam Jacket for above (for use in place of glass jacket No. 27560) .. 17 6 



2 10 



150 



066 











5 6 

 4 





 

 



3 

 5 



4 



