"Early CB-Table telephones"
(Click at the pictures to see a real version of the phone).

Picture 461, click for a real version, Museum für Post und Telekommunikation
1904

Model ZB.04 (S&H),
first type of a CB-table-
telephone, 1904
- Handset with tin telephone
  and carbon-granule microphone
- induction coil
- CB calling
- polarized ringer and capacitor
  (in a wallbox)
1904

Model ZB.04
CB-table-telephone, 1904
- Handset with tin telephone
  and carbon-granule microphone
- induction coil
- CB calling
- polarized ringer
- Capacitor
Picture 462, click for a real version