618 



Specific Heat. 



No. 55 165 



55 170. 



55.165. Calorimeter Vessel after Friedr. C. G. Miiller (M. T., Fig. 98), capacity 1.2 litres 



55.166. --idem, 1 / t litre capacity 



55.167. Calorimeter after Weinhold, Figs. A and B (W. D., Figs. 386 and 387 [366 and 367]), 

 with heating vessel, double-walled measuring vessel and cylindrical test piece 1 / 2 kg 

 weight for determining the specific heat of a metal, the latent heat of melting of ice, 

 and - - in conjunction with No. 55,168 - - the latent heat of vaporisation of water . 



55.168. Water Trap for No. 55,167, for keeping the water of condensation from the calori- 

 meter in the experiment on the latent heat of vaporisation (W. D., Fig. 389 [369]) . 



55,160. Water Calorimeter, Figure, for determining Specific Heats by the Mixing Method, 

 with thermometer divided in 0.2 



55,170. Double Calorimeter, Figure, for rapidly comparing the specific heat of two bodies, 

 with two test pieces of brass and lead of the same weight, two thermometers and steam- 

 heating vessel for two bodies 



.">r. 171. 3 Test Pieces of Copper, Iron and Zinc, of same weight 



.V>. 171'. Calorimeter after Wiedeniann and Ebert, with wood block, stirrer, double-walled 

 sheathing vessel and cover (\V. u. E. phys. Prakt., Fig. 114) 



.V>.17:!. Calorimeter after B^gnault, Figure, with two thermometers divided in 0.5, for 

 solids and liquids (M. I'., Ill, Figs. Ill and 112 [II, 2, Figs. 189 and 190]) .... 



Cl. IS 14, 



1815, 1846, 

 5783, 1848. 



8. d. 



0. 10. 

 0. 8.0 



0.18.0 



0. ;:. u 



1. !.(> 



2. 8.0 

 0.18.0 



1. LM) 

 4. 4.0 



1853, 



