Morse key collection DL3HRT

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Austria Post Off...	Austria Post off...	Austria Post Off...	Denmark GNT Mode... Great Northern Telegraph Works
Denmark GNT Mode... Manufacturer plate with serial number.	Germany camelbac... German camelback key - 1860s	Germany Galvanos... Made by W.Gurlt - Berlin - 1918	Germany Galvanos... Made by Krueger in 1893.
Germany Hartmann... Reichstelegraphentaste - Hartmann&Braun - 1888	Germany Hartmann... Reichstelegraphentaste - Hartmann & Braun - 1896.	Germany Hartmann...	Germany Hartmann...