German Empire 



207 



is rendered difficult. The instruments have the following resis- 

 tances : Induction coil, i and 200 ohms ; receiver, 200 ohms ; 

 generator armature, 200 ohms ; trembling bell, 170 ohms. 



OUTSIDE WORK (LOCAL) 



A feature of the German outside work is the manner in which 

 the central stations are often adorned, or at least made striking in 

 appearance, by special and 

 costly domes and towers 

 in iron or steel, the number 

 of which is constantly in- 

 creasing as new stations are 

 opened or old ones rebuilt. 

 Fig. 71 represents a wire 

 fixture of this nature, and 

 gives a good idea, although 

 there is some differences in 

 detail, of the telephone 

 dome at the Oranien- 

 burgerstrasse switch-room, 

 Berlin. It is erected on a 

 tasteful brick turret at the 

 corner of the Artillerie- 

 strasse. Painted green 

 picked out with gold and 

 studded with white insu- 

 lators, the whole produces 

 an effect which is decidedly 

 pleasing. At the Moabit 

 switch-room there is a 

 somewhat similar fixture, 

 but the ironwork is in the 

 form of a square steeple and not domed. The remaining five 

 central station fixtures in Berlin are ordinary affairs enough ; 

 the only one worthy of any remark, and that only on account 

 of its size, is at Blankenfeldenstrasse, which is an immense oblong, 

 containing forty-two wooden uprights connected by iron bars. 



