800 



Static Electricity. 



No. 60 177 



60179. 1:4. 



60177. 1:4. 



60 181. 1 : 6. 



60 183. 1 : 8. 



60 180. 1 : 6. 



60 182 A. 1:5. 



60 182 B. 1:5. 



60 184. 1 : 4. 



60.177. Aluminium Leaf Electroscope, larger, with condenser and mica disc, Figure, with * ' 

 amber insulating neck and with detachable base for inserting calcium chloride . . . 1. -. o 



60.178. - - idem, without condenser 0. 15. <> 



60.179. Aluminium Leaf Electroscope, as No. 60,178, with celluloid graduated arc, Figure 0. 1(>. o 



60.180. Electroscope for placing on the air pump, Figure 0. is. o 



The glass bulb can be detached from the base and be placed with its polished edge on the 

 air pump. 



no. 1*1. Electroscope, Chatlock's, Figure, with first-rate ebonite and air insulation, with 



aluminium leaf, also suitable for projection 0.18.0 



60.isi. Aluminium Leaf Electroscope, with unscrewable point, condenser and mica disc, 



F i <; s. A and B 1, 6. 



60,183. Aluminium Leaf Electroscope (Kolbe's), Figure, with degree scale 0. 18. 



(0,1X1. Electroscope, Figure, with separate condenser and mica disc, for explaining 



elect roplmnis (\V. D., Fig. 434 [407]) 1. 6. 



(10.1X5. Condenser alone, with mica disc 0.15.0 



60.1S6. Electroscope (v. Bcet/.'s), Figure, for objective demonstration (\V. D., Fig. 4:51} 

 [405]: M. I'. 10"' edn., IV, 1, Fig. Ill ; !)"' edn., 'ill. Fig. 10!!; Gan.-Man., Fig. 618; (lan.- 

 Eein., Fig. 710) 1. 2. 



If not otherwise desired we supply the elertrox-ope with aluminium leaves, but also witli paper 

 strips if required. 



Cl. 20t>. 20B7. 410.-I. LM7i>. 

 DIM. liiuw. -Jiw/.i. -JHTI 



