602 



Heat and Change of State. 



No. 55 033 



55 036. 1 : 7. 



55 037. 1 : 12. 



55039. 1:10. 



55.033. Copper Dish with Wire Triangle, for Leidenfrost's Experiment (W. I)., Fiirs. 355 



and [335]; M. T., p. 112) 0. 2. o 



55.034. Aluminium Dish after Bebenstorff (Ztschr. f. d. phys. u. chem. U. 19, 1906, p. 29) 0. l.o 



55.035. Platinum Dish with Wire Triangle, for the same experiment o. is. o 



* 55,036. Apparatus after Boutigny for the Leidenfrost Experiment, Figure, also adapted 

 for projecting the phenomenon, with copper dish, Teclu burner, and glass rod, on tripod 



with levelling screws 2. <>. o 



55.037. Apparatus after Weinhold, F i g u i e, for shewing the behaviour of Saturated and 

 Superheated Steam (W. D., Fig. 357 [337]), height of apparatus 1.20 m 



55.038. idem, with iron stand (W. D., Fig. 357 [337] and p. 523 [485] Bemavk) . 



2. 0. 

 2. 10. 



55.039. Apparatus after Dalton-Be"gnault, Figure, for Measuring the Tension of Steam 

 below the Boiling Point (M. P. Ill, Fig. 249 [II, 2, Fig. 121); the steam vessel is placed, 

 together with the barometer, in one bath. The difference between the mercury columns 

 (reduced to 0) gives the pressure 2. 10. 



55.040. Apparatus after Dalton, Figure, for Measuring the Tension of Water Vapour 

 between and 100 C., with stand, burner, tripod, heating vessel, and thermometer 

 (Gan.-Bein., Fig. 344) 3. lo. o 



55.041. Apparatus for Measuring the Tension of Vapour from Salt Solutions, Figure (\V. 



I)., Fig. 358 [338]) 1. 0. o 



5^.762. Barometer Tube with iron tripod stand, Fig. 52.762. p. 371, for shewing the difference 

 between gases and vapours (M. P. Ill, Fig. 237 [II, 2, Fig. 1 0!>|), the, glass tube with 

 graduation, with Tube Holder and Index 1. 16. 



52,752. 3 Barometer Tubes in mercury bath, Pig. 52,752, p. 370, with stand (M. I'. III. l-'ig. 236 



[II, 2, Fig. 108]), suitable for shewing the difference between gases and vapours . . 1.10. u 



51,412. Filling Pipette, Fig. 51.112, p. 220, for tubes the lower' opening of which plunges in 



a liquid 0. 3. 



* Can In- used witli the Projection Apparatus. 



U. 1783. 17S5, 178S 





