962 



Voltaic Electricity. Section 6: Electro-magnetism and Electro-dynamics. 



No. 62 360 



= 

 62 360. 1 : 4. 



62 365. 1 : 4. 



62 361. 1 : 4 



62 367, 62 368. 1 : 4. 



62 369. 1 : 5. 



62,360. Magneto Generator with five magnets, Figure 



1. in. o 



62.361. Magneto Generator, large, with six magnets, Figure 3. 5.0 



62.362. Sections of Telegraph Cables, for subterranean and submarine laying, each 0. 10. 

 to 1. 0. 0. 



Apparatus for Phototelegraphy, Prof. Korn's system, constructed by us, quoted for on 

 application. 



Theory of Lines of Force. 



62.363. Wood Frame, 400 mm side, stretched with cardboard, for demonstrating lines of 

 magnetic force, with sieve and filings, for use with permanent magnet and electromagnets 0. 3. 



62.364. 20 Steel Spheres, 3,5 mm diameter, for demonstrating lines of force curves (\V. I). 



Fig. 549 [522]) 0. 2. 



62.365. Apparatus after To'pler, Figure, for demonstrating objectively the existence of 



the magnetic curves between the poles of an electromagnet 1. 4.0 



The glass trough is filled with glycerine, and finely powdered iron (previously uniformly mixed 

 with sonic glycerine) is distributed in same. The curves form when the circuit is closed. 



62.366. Model for explaining the Direction in which the lines of Magnetic Force encircle a 

 Conductor (W. D. Fig. 548 [521]) 0. ir>. o 



62.367. Wire Coil, can also be used for Ampere's stand No. 62,383, Figure (W. l>. 



Fig. 537 |510|), without /.inc plates 0. 8. 



62.368. Zinc Plate for above, in two parts, for producing lines of force, F i g 11 r e, to be used 



in conjunction with No. 62,367 (W. D. Fig. 547 [520]) 0. 4. 



( 1.60 f, 64 r, 5869, 

 MM. MSI 



