unknown NS Badge with svastika

[Schwertehre]

Who knows this badge?

<div align="center"><p><img src="http://cdn01.trixum.de/upload2/88600/88579/2/21092a785feb9b76a87735ec2d80d54be.jpg" /></p><p><img src="http://cdn01.trixum.de/upload2/88600/88579/5/56cc0222f9dfb0626fdd1b17f6c06fd08.jpg" /></p><p><img src="http://cdn01.trixum.de/upload2/88600/88579/5/59df280b5879b6d95666fe52a1ead6569.jpg" /></div>

[burgerhaus]

Ralf Can you tell us who the maker is as I can't make it out. That info might help to ID Regards Robert

[burgerhaus]

The only thing I could find was a vague reference to RDF being ground radar equipment operator? Blue enamel seems logical too.

PS I can't relate those symbols on the badge however.

[Wood]

Trouble is Robert RDF are the English initials for radio direction finder, obviously these are not the same in German.
I did find a firm that made springs (or it was something to do with springs?), but googled it away and couldn't find it again!
It looks as if the swastika is added to the badge so it may be a pre-war firm/organisation/club.
Pete

[Winterhilfswerk]

Hallo
Müsste Reichs Deutscher Amateurfunker Bund sein bin aber nicht sicher
Hello
But should German Empire Amateur Radio covenant I'm not sure
Regrads
Guy

[Schwertehre]

The badge is mm "AD SCHWERDT - STUTTGART"

It´s a known manyfactory:

Präsidialkanzlei No. 142 "A.D. Schwerdt, Stuttgart"
L/66 "A.D. Schwerdt, Stuttgart"
RZM M9/156 "Ad. Schwerdt, Stuttgart"

<div align="center"><p><img src="http://cdn01.trixum.de/upload2/88600/88579/1/1af226a3cb0256fb3a019c8fa9b14c1cf.jpg" /></p><p><img src="http://cdn01.trixum.de/upload2/88600/88579/4/48895bd48989c09a5ef320737737193e3.jpg" /></p><p><img src="http://cdn01.trixum.de/upload2/88600/88579/1/185ac6314d631c34708f756016f5fbe8a.jpg" /></p></div>

[burgerhaus]

Guy might have it. A nice one either way and fun to investigate.