CHAPTER VI. 



THE CALORIMETRIC BOMB ADAPTED TO 

 INDUSTRIAL USE BY MAHLER. 



THE calorimetric bomb of Berthelot costs considerably 

 more than can be paid by an industrial laboratory, owing to 

 its large amount of platinum. Mahler replaced the interior 

 platinum of the bomb by an enamel deposited on the steel. 

 The description given by him in his paper before the Socittt 

 dl Encouragement de Paris , in June, 1892, is as follows: 



The apparatus is shown in Fig. 23., It consists essen- 

 tially of a steel shell, B, capable of resisting 50 atmospheres 



FIG. 23. MAHLER CALORIMETER. 



and 22 per cent elongation. This quality was carefully chosen, 

 not only on account of the pressure it must stand, but also as 

 it aids the enameling. The metal is very pure, containing but 



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