Xn. 63010. 



Apparatus for the Electromagnetic Units. 



1013 



63 006 E. 1: 12. 



63 007. 



63009. 1:5. 



63 010 A. 



63.009. Device for Generating a powerful Induction Current by moving a single conductor in a 

 magnetic field, Figure (loc. cit. Fig. 18 ; cf . Grimsehl, Fig. 959), consisting of ring 

 magnet, galvanoscope and a low resistance conductor 



63.010. Device for Shunting small Potential-differences for Galvanometer Calibrations and 



the like, Figs. A and B (loc. cit. Figs. 20 and 21) 



62,094. Paper Condenser, 2 mfds., for calibrating a ballistic galvanometer (Joe. cit. p. 36). 



61.138. PohPs Mercury Switch for above , 



61,302. Mirror Galvanometer after Weinhold, cf. Figure on p. 877 



8. d. 

 2. 16. 



2. 5. 

 4. 10. 

 1. 4.0 

 7. 10. 



Cl. 5910, 5918, 5910, 

 5915, 5914, 5923. 



