German World War I amp meter for checking phone line conections and testing electrical wires and equipment.

Telegrapher's Apm meter in pouch
Telegrapher's Apm meter in pouch
 
Manufacturer stamp Frnz Cobal Berlin 1916
Manufacturer stamp Frnz Cobal Berlin 1916
 
Elementprüfer
Elementprüfer
 


Elementprüfer in Tasche
Elementprüfer in Tasche
 
Elementprüfer Manual instruction
Elementprüfer Manual instruction
 


The amp meters were generally used by telegrapher units but probably each technical unit (pioneer units as well) has such kind of the equipment in its range. The leatherpouch is mark Frnz Cobal Berlin 1916. Inside the pouch is an manual instruction how to use it.

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