RAIRD &TATLOCK (LONDON) LTD. 



5646 



A5646 



Fig. 2. Showing various parts in position. 



DESCRIPTION. 





of the fueSrtst is then' S^'MooS^?" 8 ^ Watef "I"' 61 * f * e a PP aratus - the -lorific value 



If w 

 H 



Calculation of Results (no corrections). 



= weight of fuel tested in pounds, 



calorific value of fuel in British Thermal Units 'psr pound 

 i - weight of water in calorimetric vessel in pounds, 

 W, = water equivalent of calorimeter in pounds, 

 t temperature of water in calorimeter before combustion, 



-A. /r I " axlmum temperature of water in calorimeter after combustion, 

 inen (W, + W s ) x (t, - 1 ) =heat received by water and instrument 

 wH = heat evolved by combustion of fuel sample. 

 I = (W,+W.) x (t,-t ) in British Thermal Units per pound, 

 w 



ot subject to wear, it has no delicate parts likely to get out of order, ar 

 Press, for making coal pastilles, for testing in calorimeters . . 



is therefore 



each 300 



1019 



