.So. 60 156. 



Static Electricity. 



797 



60 141. 1 : 5. 



60 153. 1 : 6. 



60 155. 1 : 5. 



Static Electricity. 



60.141. 1 Flint Glass Rod, 1 Ebonite Rod, 1 Piece Catskin and 1 Piece Amalgamated Felt, 

 Figure 



60.142. 4 Rods of Glass, Ebonite, Sealing Wax and Sulphur, 1 Rubber of Amalgamated Felt, 

 1 Piece Catskin, 1 Brass Rod with glass handle, 1 Piece Steatite with ebonite handle 



60.143. Collection of Apparatus for the Fundamental Experiments on Magnetism, Frictional, 

 Contact and Thermo-electricity, in wood box, F i g. 60,065, p. 787 



The box contains: 2 bar magnets, 1 double hook for suspending the magnets; 1 magnetic needle; 

 1 ebonite rod; 1 glass rod; 1 rubber; 1 insulating stand; 1 electric needle; pithballs with stand; 1 glass 

 rod with brass c*.p; 1 ebonite rod with brass cap; 1 Voltaic cell with contact bow, and 1 thermo- 

 electric rectangle. 



60.144. Flint Glass Rod, 350 mm long, 15 mm thick, with amalgamated felt rubber, for gene- 



rating positive electricity 



60.145. - - idem, larger, 500 mm long, 20 mm thick, with amalgamated felt rubber . . 



60.146. Ebonite Rod, 350 mm long, 15 mm thick, with 1 Piece Catskin as rubber, for gene- 



rating negative electricity 



s. d. 

 5.0 



0.0 

 6.0 



60,147. - - i d e m, larger, 500 mm long, 25 mm thick, with catskin rubber j 



<>(U 48. Flint Glass Tube, with amalgamated felt rubber 



60.149. Fox-tail Rubber 



60.150. Catskin Rubber JO 



60.151. 2 Ebonite Rods, 300 mm long, 12 mm thick, with rubber and with double hooks for 

 suspending on silk threads, for showing the repulsion of the same kinds of electricity 



60.152. Brass Rod, with ebonite handle and rubber (Gan.-Eein, Fig. 708) 



60.153. Steatite Piece with ebonite handle (Kolbe's), Figure, for electrostatic experiments 



(Kolbe-Skellon, Introduction to Electricity, Part I, pp. 13 and 15) 



(i(M54. - idem (Weinhold's), with groove (W. D., p. 639) 0. 



60,155. 2 Double Hooks, for suspending rods and tubes of wood, glass, ebonite, paper, etc., 



Figure (W. D., Fig. 422 [398]) 



6(i.l 5U. Paper Tube Drying Device (W. D., Fig. 423 [399]) 



6.0 



7.0 



5.0 

 4.0 



3.0 

 2.0 



CM. 2056, 3703, 2057. 



