- Reference number
 - 
                Bundesarchiv, BArch R 4701/2744
 
- Former reference number
 - 
                R 4701/5671
 
- Language of the material
 - 
                deutsch
 
- Context
 - 
                Reichspostministerium >> R 4701 Reichspostministerium >> Teil I: Ministerium Berlin (21.422) >> Forschung, Entwicklung, Patentangelegenheiten (201) >> Erfindungen, Entwicklungen, Versuche, Patente (164) >> Erfindungen und Versuche.- Fernsprechapparate
 
- Holding
 - 
                BArch R 4701 Reichspostministerium
 
- Date of creation
 - 
                1894-1897
 
- Other object pages
 
- Provenance
 - 
                
                    
                        Reichspostministerium (RPM), 1919-1945
 
- Last update
 - 
                
                    
                        30.01.2024, 2:39 PM CET
 
Data provider
Bundesarchiv. If you have any questions about the object, please contact the data provider.
Object type
- Schriftgut
 
Time of origin
- 1894-1897