the apparatus is an old radio receiver without loudspeaker.Probably the type number is Philips 2501, Philips 2502, Philips 2514 or Philips 2515 produced in 1927/1928.
Please enter a valid email to subscribe
We need to confirm your email address.
To complete the subscription, please click the link in the
email we just sent you.
Thank you for subscribing!
via Egeo 16