932 



Voltaic Electricity. Section 4: Ohm's, Kirchhoifs and Joule's Laws. 



No. (IJIIliT 



62 067 B. 1 : 1-.'. 



62 067 D. 1 



<>:.', u<;7. Apparatus for Demonstrating Phototelegraphy, after Kom. roniprisinji 1 table with * ' 

 complete Transmitting Apparatus, lid or i>iio volt I). <'. I>rivin<r Motor; :in<l 1 table 

 coiitainin<r the complete Receiving Apparatus, Fiys. A. H. (' and D. Fig. A shows the 

 complete apparatus, consist iur of a talile containing the transinittin.ir a|i))arutus and a 



talile with (lie receiving a p|iai'at us. In Fijr. K the latter is shown larger <><i. Id. 



Kni-n's system of riiolotclcyr.-ipli y is li:isnl ti|ioii tlic |ird|icrty jKissosccl liy SiOrniuin for assuming 

 :i low electric i'c>islancc wlicti >lroni;ly illiiiiiiii:ilc<t Mini a liifjli resist mice ulien \\eaUly illuminated. The 



Cl. 41IIU;. ;-,Ofl, 

 IOST, 



