580 



Thermometry. 



No. 54 886 



54886. 1:4. 



54887B. 1:7. 



54 887 A. 1:6. 





54888. I:.',. 



54 889. I : 10. 



54 890. 1 : 8. 



54 893. 1 : 6. 



54,886. Electric contact Thermometer from --30 to +80 C., cf. Figure, with double * '' 

 tnbr with platinum wires and six terminals, making contact every l_'(i". commencing 

 at --20 C., for maximum and minimum registrations 1. l.o 



.>l.s,s7. Boiling point Determination Apparatus for Thermometers, Figs. A and B (M. P. II, 



2, Fig. 4; W. E. phys. I'rakt., Fig. 95; (.Jan. -Man. Fig. 468), with simple thermometer 0. Hi. o 

 I'm. A is a view and Fij;. B a section of the apparatus. 



54.888. -- idem, Figure, for travelling purposes, eollapsible. ran lie used as a Hypso- 



meter, without thermometer, with spirit lamp for attaching -'. s. o 



54.889. Freezing Point Determination Apparatus, Figure, with waste tor the water (dan.- 



Man. Fig. 466), without thermometer or catching vessel 0.10.0 



Calibration Apparatus for Thermometers (Comparators) see p. L'L';>; Dividing Engines, p. -'US. 



CL 8309, 1T1S, 1713,1714. 



1715,3938. Kiii. 





