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Blaupunkt Palma 2435 Tube Radio Manuals

Where can I access the operation/user/service manuals for my vintage Blaupunkt tube radio ?

I received a Blaupunkt Palma 2435 vacuum tube radio (manufactured in Germany 1957/1958) for Christmas and would appreciate knowing how to operate it fully and properly by having the operation/user/service manuals. Please help direct me to either an online or offline source of any of these documents.

Thank you in advance for your assistance.